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Finding the Fourth Proportional to 532,890.60, 799,335.90 and 529,780.20

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Solution

The fourth proportional to 532,890.60, 799,335.90 and 529,780.20 is: 794,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,890.60 : 799,335.90 = 529,780.20 : x
  2. Step 2: Convert to fraction form
    532,890.60/799,335.90 = 529,780.20/x
  3. Step 3: Cross multiply
    532,890.60x = 799,335.90 × 529,780.20
  4. Step 4: Simplify right side
    532,890.60x = 423,472,332,969.18
  5. Step 5: Solve for x
    x = 423,472,332,969.18/532,890.60
  6. Step 6: Final answer
    x = 794,670.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.