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Finding the Fourth Proportional to 629,482.33, 868,658.45 and 357,549.37

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Solution

The fourth proportional to 629,482.33, 868,658.45 and 357,549.37 is: 493,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,482.33 : 868,658.45 = 357,549.37 : x
  2. Step 2: Convert to fraction form
    629,482.33/868,658.45 = 357,549.37/x
  3. Step 3: Cross multiply
    629,482.33x = 868,658.45 × 357,549.37
  4. Step 4: Simplify right side
    629,482.33x = 310,588,281,926.58
  5. Step 5: Solve for x
    x = 310,588,281,926.58/629,482.33
  6. Step 6: Final answer
    x = 493,402.71

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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.