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Finding the Fourth Proportional to 629,482.26, 868,658.36 and 357,549.31

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Solution

The fourth proportional to 629,482.26, 868,658.36 and 357,549.31 is: 493,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,482.26 : 868,658.36 = 357,549.31 : x
  2. Step 2: Convert to fraction form
    629,482.26/868,658.36 = 357,549.31/x
  3. Step 3: Cross multiply
    629,482.26x = 868,658.36 × 357,549.31
  4. Step 4: Simplify right side
    629,482.26x = 310,588,196,349.86
  5. Step 5: Solve for x
    x = 310,588,196,349.86/629,482.26
  6. Step 6: Final answer
    x = 493,402.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.