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Finding the Fourth Proportional to 474,967.08, 712,452.05 and 115,136.52

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Solution

The fourth proportional to 474,967.08, 712,452.05 and 115,136.52 is: 172,705.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,967.08 : 712,452.05 = 115,136.52 : x
  2. Step 2: Convert to fraction form
    474,967.08/712,452.05 = 115,136.52/x
  3. Step 3: Cross multiply
    474,967.08x = 712,452.05 × 115,136.52
  4. Step 4: Simplify right side
    474,967.08x = 82,029,249,991.71
  5. Step 5: Solve for x
    x = 82,029,249,991.71/474,967.08
  6. Step 6: Final answer
    x = 172,705.13

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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.