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Finding the Fourth Proportional to 535,415.01, 803,036.17 and 156,246.72

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Solution

The fourth proportional to 535,415.01, 803,036.17 and 156,246.72 is: 234,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,415.01 : 803,036.17 = 156,246.72 : x
  2. Step 2: Convert to fraction form
    535,415.01/803,036.17 = 156,246.72/x
  3. Step 3: Cross multiply
    535,415.01x = 803,036.17 × 156,246.72
  4. Step 4: Simplify right side
    535,415.01x = 125,471,767,603.86
  5. Step 5: Solve for x
    x = 125,471,767,603.86/535,415.01
  6. Step 6: Final answer
    x = 234,344.88

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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.