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Finding the Fourth Proportional to 506,456.57, 759,404.41 and 207,147.34

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Solution

The fourth proportional to 506,456.57, 759,404.41 and 207,147.34 is: 310,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,456.57 : 759,404.41 = 207,147.34 : x
  2. Step 2: Convert to fraction form
    506,456.57/759,404.41 = 207,147.34/x
  3. Step 3: Cross multiply
    506,456.57x = 759,404.41 × 207,147.34
  4. Step 4: Simplify right side
    506,456.57x = 157,308,600,840.71
  5. Step 5: Solve for x
    x = 157,308,600,840.71/506,456.57
  6. Step 6: Final answer
    x = 310,606.30

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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.