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Finding the Fourth Proportional to 996,877.95, 1,375,673.95 and 567,148.85

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Solution

The fourth proportional to 996,877.95, 1,375,673.95 and 567,148.85 is: 782,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,877.95 : 1,375,673.95 = 567,148.85 : x
  2. Step 2: Convert to fraction form
    996,877.95/1,375,673.95 = 567,148.85/x
  3. Step 3: Cross multiply
    996,877.95x = 1,375,673.95 × 567,148.85
  4. Step 4: Simplify right side
    996,877.95x = 780,211,898,717.46
  5. Step 5: Solve for x
    x = 780,211,898,717.46/996,877.95
  6. Step 6: Final answer
    x = 782,655.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.