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Finding the Fourth Proportional to 506,615.82, 759,642.92 and 207,306.24

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Solution

The fourth proportional to 506,615.82, 759,642.92 and 207,306.24 is: 310,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,615.82 : 759,642.92 = 207,306.24 : x
  2. Step 2: Convert to fraction form
    506,615.82/759,642.92 = 207,306.24/x
  3. Step 3: Cross multiply
    506,615.82x = 759,642.92 × 207,306.24
  4. Step 4: Simplify right side
    506,615.82x = 157,478,717,487.82
  5. Step 5: Solve for x
    x = 157,478,717,487.82/506,615.82
  6. Step 6: Final answer
    x = 310,844.45

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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.