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Finding the Fourth Proportional to 629,924.58, 870,125.70 and 466,911.54

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Solution

The fourth proportional to 629,924.58, 870,125.70 and 466,911.54 is: 644,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,924.58 : 870,125.70 = 466,911.54 : x
  2. Step 2: Convert to fraction form
    629,924.58/870,125.70 = 466,911.54/x
  3. Step 3: Cross multiply
    629,924.58x = 870,125.70 × 466,911.54
  4. Step 4: Simplify right side
    629,924.58x = 406,271,730,580.58
  5. Step 5: Solve for x
    x = 406,271,730,580.58/629,924.58
  6. Step 6: Final answer
    x = 644,952.97

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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.