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Finding the Fourth Proportional to 704,953.92, 972,810.24 and 382,657.20

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Solution

The fourth proportional to 704,953.92, 972,810.24 and 382,657.20 is: 528,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,953.92 : 972,810.24 = 382,657.20 : x
  2. Step 2: Convert to fraction form
    704,953.92/972,810.24 = 382,657.20/x
  3. Step 3: Cross multiply
    704,953.92x = 972,810.24 × 382,657.20
  4. Step 4: Simplify right side
    704,953.92x = 372,252,842,569.73
  5. Step 5: Solve for x
    x = 372,252,842,569.73/704,953.92
  6. Step 6: Final answer
    x = 528,052.73

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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.