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Finding the Fourth Proportional to 530,123.30, 794,912.55 and 156,097.70

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Solution

The fourth proportional to 530,123.30, 794,912.55 and 156,097.70 is: 234,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,123.30 : 794,912.55 = 156,097.70 : x
  2. Step 2: Convert to fraction form
    530,123.30/794,912.55 = 156,097.70/x
  3. Step 3: Cross multiply
    530,123.30x = 794,912.55 × 156,097.70
  4. Step 4: Simplify right side
    530,123.30x = 124,084,020,756.14
  5. Step 5: Solve for x
    x = 124,084,020,756.14/530,123.30
  6. Step 6: Final answer
    x = 234,066.34

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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.