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Finding the Fourth Proportional to 442,166.64, 609,572.10 and 373,909.77

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Solution

The fourth proportional to 442,166.64, 609,572.10 and 373,909.77 is: 515,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,166.64 : 609,572.10 = 373,909.77 : x
  2. Step 2: Convert to fraction form
    442,166.64/609,572.10 = 373,909.77/x
  3. Step 3: Cross multiply
    442,166.64x = 609,572.10 × 373,909.77
  4. Step 4: Simplify right side
    442,166.64x = 227,924,963,709.42
  5. Step 5: Solve for x
    x = 227,924,963,709.42/442,166.64
  6. Step 6: Final answer
    x = 515,473.00

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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.