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Finding the Fourth Proportional to 519,877.17, 779,890.05 and 160,078.41

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Solution

The fourth proportional to 519,877.17, 779,890.05 and 160,078.41 is: 240,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,877.17 : 779,890.05 = 160,078.41 : x
  2. Step 2: Convert to fraction form
    519,877.17/779,890.05 = 160,078.41/x
  3. Step 3: Cross multiply
    519,877.17x = 779,890.05 × 160,078.41
  4. Step 4: Simplify right side
    519,877.17x = 124,843,559,178.82
  5. Step 5: Solve for x
    x = 124,843,559,178.82/519,877.17
  6. Step 6: Final answer
    x = 240,140.49

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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.