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Finding the Fourth Proportional to 704,545.92, 1,056,564 and 299,765.16

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Solution

The fourth proportional to 704,545.92, 1,056,564 and 299,765.16 is: 449,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,545.92 : 1,056,564 = 299,765.16 : x
  2. Step 2: Convert to fraction form
    704,545.92/1,056,564 = 299,765.16/x
  3. Step 3: Cross multiply
    704,545.92x = 1,056,564 × 299,765.16
  4. Step 4: Simplify right side
    704,545.92x = 316,721,076,510.24
  5. Step 5: Solve for x
    x = 316,721,076,510.24/704,545.92
  6. Step 6: Final answer
    x = 449,539.30

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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.