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Finding the Fourth Proportional to 606,475.80, 909,713.70 and 576,951.30

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Solution

The fourth proportional to 606,475.80, 909,713.70 and 576,951.30 is: 865,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,475.80 : 909,713.70 = 576,951.30 : x
  2. Step 2: Convert to fraction form
    606,475.80/909,713.70 = 576,951.30/x
  3. Step 3: Cross multiply
    606,475.80x = 909,713.70 × 576,951.30
  4. Step 4: Simplify right side
    606,475.80x = 524,860,501,842.81
  5. Step 5: Solve for x
    x = 524,860,501,842.81/606,475.80
  6. Step 6: Final answer
    x = 865,426.95

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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.