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Finding the Fourth Proportional to 284,366.96, 426,630.15 and 124,456.83

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Solution

The fourth proportional to 284,366.96, 426,630.15 and 124,456.83 is: 186,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,366.96 : 426,630.15 = 124,456.83 : x
  2. Step 2: Convert to fraction form
    284,366.96/426,630.15 = 124,456.83/x
  3. Step 3: Cross multiply
    284,366.96x = 426,630.15 × 124,456.83
  4. Step 4: Simplify right side
    284,366.96x = 53,097,036,051.42
  5. Step 5: Solve for x
    x = 53,097,036,051.42/284,366.96
  6. Step 6: Final answer
    x = 186,720.13

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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.