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Finding the Fourth Proportional to 561,934.30, 842,901.45 and 162,588.10

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Solution

The fourth proportional to 561,934.30, 842,901.45 and 162,588.10 is: 243,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,934.30 : 842,901.45 = 162,588.10 : x
  2. Step 2: Convert to fraction form
    561,934.30/842,901.45 = 162,588.10/x
  3. Step 3: Cross multiply
    561,934.30x = 842,901.45 × 162,588.10
  4. Step 4: Simplify right side
    561,934.30x = 137,045,745,242.75
  5. Step 5: Solve for x
    x = 137,045,745,242.75/561,934.30
  6. Step 6: Final answer
    x = 243,882.15

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Double scale
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Similar ratio
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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.