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Finding the Fourth Proportional to 542,329.44, 748,712.67 and 370,505.76

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Solution

The fourth proportional to 542,329.44, 748,712.67 and 370,505.76 is: 511,501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,329.44 : 748,712.67 = 370,505.76 : x
  2. Step 2: Convert to fraction form
    542,329.44/748,712.67 = 370,505.76/x
  3. Step 3: Cross multiply
    542,329.44x = 748,712.67 × 370,505.76
  4. Step 4: Simplify right side
    542,329.44x = 277,402,356,819.98
  5. Step 5: Solve for x
    x = 277,402,356,819.98/542,329.44
  6. Step 6: Final answer
    x = 511,501.56

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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.