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Finding the Fourth Proportional to 284,045.65, 392,125.04 and 176,650.28

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Solution

The fourth proportional to 284,045.65, 392,125.04 and 176,650.28 is: 243,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,045.65 : 392,125.04 = 176,650.28 : x
  2. Step 2: Convert to fraction form
    284,045.65/392,125.04 = 176,650.28/x
  3. Step 3: Cross multiply
    284,045.65x = 392,125.04 × 176,650.28
  4. Step 4: Simplify right side
    284,045.65x = 69,268,998,208.07
  5. Step 5: Solve for x
    x = 69,268,998,208.07/284,045.65
  6. Step 6: Final answer
    x = 243,865.73

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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.