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Finding the Fourth Proportional to 284,377.57, 392,618.53 and 181,070.07

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Solution

The fourth proportional to 284,377.57, 392,618.53 and 181,070.07 is: 249,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,377.57 : 392,618.53 = 181,070.07 : x
  2. Step 2: Convert to fraction form
    284,377.57/392,618.53 = 181,070.07/x
  3. Step 3: Cross multiply
    284,377.57x = 392,618.53 × 181,070.07
  4. Step 4: Simplify right side
    284,377.57x = 71,091,462,747.30
  5. Step 5: Solve for x
    x = 71,091,462,747.30/284,377.57
  6. Step 6: Final answer
    x = 249,989.70

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1.5x scale

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.