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Finding the Fourth Proportional to 527,593.47, 728,330.04 and 353,463.51

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Solution

The fourth proportional to 527,593.47, 728,330.04 and 353,463.51 is: 487,947.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,593.47 : 728,330.04 = 353,463.51 : x
  2. Step 2: Convert to fraction form
    527,593.47/728,330.04 = 353,463.51/x
  3. Step 3: Cross multiply
    527,593.47x = 728,330.04 × 353,463.51
  4. Step 4: Simplify right side
    527,593.47x = 257,438,092,376.84
  5. Step 5: Solve for x
    x = 257,438,092,376.84/527,593.47
  6. Step 6: Final answer
    x = 487,947.84

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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.