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Finding the Fourth Proportional to 527,200.60, 790,800.90 and 506,533.45

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Solution

The fourth proportional to 527,200.60, 790,800.90 and 506,533.45 is: 759,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,200.60 : 790,800.90 = 506,533.45 : x
  2. Step 2: Convert to fraction form
    527,200.60/790,800.90 = 506,533.45/x
  3. Step 3: Cross multiply
    527,200.60x = 790,800.90 × 506,533.45
  4. Step 4: Simplify right side
    527,200.60x = 400,567,108,140.11
  5. Step 5: Solve for x
    x = 400,567,108,140.11/527,200.60
  6. Step 6: Final answer
    x = 759,800.18

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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.