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Finding the Fourth Proportional to 262,114.30, 393,463.05 and 162,387.10

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Solution

The fourth proportional to 262,114.30, 393,463.05 and 162,387.10 is: 243,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,114.30 : 393,463.05 = 162,387.10 : x
  2. Step 2: Convert to fraction form
    262,114.30/393,463.05 = 162,387.10/x
  3. Step 3: Cross multiply
    262,114.30x = 393,463.05 × 162,387.10
  4. Step 4: Simplify right side
    262,114.30x = 63,893,323,646.66
  5. Step 5: Solve for x
    x = 63,893,323,646.66/262,114.30
  6. Step 6: Final answer
    x = 243,761.30

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1.5x scale

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.