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Finding the Fourth Proportional to 284,298.48, 392,167.44 and 183,696.48

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Solution

The fourth proportional to 284,298.48, 392,167.44 and 183,696.48 is: 253,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,298.48 : 392,167.44 = 183,696.48 : x
  2. Step 2: Convert to fraction form
    284,298.48/392,167.44 = 183,696.48/x
  3. Step 3: Cross multiply
    284,298.48x = 392,167.44 × 183,696.48
  4. Step 4: Simplify right side
    284,298.48x = 72,039,778,298.61
  5. Step 5: Solve for x
    x = 72,039,778,298.61/284,298.48
  6. Step 6: Final answer
    x = 253,394.88

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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.