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Finding the Fourth Proportional to 566,752.80, 850,129.20 and 434,042.40

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Solution

The fourth proportional to 566,752.80, 850,129.20 and 434,042.40 is: 651,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,752.80 : 850,129.20 = 434,042.40 : x
  2. Step 2: Convert to fraction form
    566,752.80/850,129.20 = 434,042.40/x
  3. Step 3: Cross multiply
    566,752.80x = 850,129.20 × 434,042.40
  4. Step 4: Simplify right side
    566,752.80x = 368,992,118,278.08
  5. Step 5: Solve for x
    x = 368,992,118,278.08/566,752.80
  6. Step 6: Final answer
    x = 651,063.60

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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.