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Finding the Fourth Proportional to 573,032.10, 857,798.55 and 447,060.90

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Solution

The fourth proportional to 573,032.10, 857,798.55 and 447,060.90 is: 669,226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,032.10 : 857,798.55 = 447,060.90 : x
  2. Step 2: Convert to fraction form
    573,032.10/857,798.55 = 447,060.90/x
  3. Step 3: Cross multiply
    573,032.10x = 857,798.55 × 447,060.90
  4. Step 4: Simplify right side
    573,032.10x = 383,488,191,781.70
  5. Step 5: Solve for x
    x = 383,488,191,781.70/573,032.10
  6. Step 6: Final answer
    x = 669,226.37

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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.