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Finding the Fourth Proportional to 530,781.76, 796,307.50 and 156,804.76

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Solution

The fourth proportional to 530,781.76, 796,307.50 and 156,804.76 is: 235,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,781.76 : 796,307.50 = 156,804.76 : x
  2. Step 2: Convert to fraction form
    530,781.76/796,307.50 = 156,804.76/x
  3. Step 3: Cross multiply
    530,781.76x = 796,307.50 × 156,804.76
  4. Step 4: Simplify right side
    530,781.76x = 124,864,806,423.70
  5. Step 5: Solve for x
    x = 124,864,806,423.70/530,781.76
  6. Step 6: Final answer
    x = 235,246.98

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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.