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Finding the Fourth Proportional to 284,049.68, 392,130.59 and 176,654.31

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Solution

The fourth proportional to 284,049.68, 392,130.59 and 176,654.31 is: 243,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,049.68 : 392,130.59 = 176,654.31 : x
  2. Step 2: Convert to fraction form
    284,049.68/392,130.59 = 176,654.31/x
  3. Step 3: Cross multiply
    284,049.68x = 392,130.59 × 176,654.31
  4. Step 4: Simplify right side
    284,049.68x = 69,271,557,923.07
  5. Step 5: Solve for x
    x = 69,271,557,923.07/284,049.68
  6. Step 6: Final answer
    x = 243,871.28

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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.