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Finding the Fourth Proportional to 508,526.76, 701,766.92 and 282,208.68

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Solution

The fourth proportional to 508,526.76, 701,766.92 and 282,208.68 is: 389,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,526.76 : 701,766.92 = 282,208.68 : x
  2. Step 2: Convert to fraction form
    508,526.76/701,766.92 = 282,208.68/x
  3. Step 3: Cross multiply
    508,526.76x = 701,766.92 × 282,208.68
  4. Step 4: Simplify right side
    508,526.76x = 198,044,716,160.87
  5. Step 5: Solve for x
    x = 198,044,716,160.87/508,526.76
  6. Step 6: Final answer
    x = 389,447.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.