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Finding the Fourth Proportional to 532,956.10, 799,434.15 and 153,876.10

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Solution

The fourth proportional to 532,956.10, 799,434.15 and 153,876.10 is: 230,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,956.10 : 799,434.15 = 153,876.10 : x
  2. Step 2: Convert to fraction form
    532,956.10/799,434.15 = 153,876.10/x
  3. Step 3: Cross multiply
    532,956.10x = 799,434.15 × 153,876.10
  4. Step 4: Simplify right side
    532,956.10x = 123,013,809,208.82
  5. Step 5: Solve for x
    x = 123,013,809,208.82/532,956.10
  6. Step 6: Final answer
    x = 230,814.15

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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.