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Finding the Fourth Proportional to 517,591.18, 776,545.22 and 265,050.48

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Solution

The fourth proportional to 517,591.18, 776,545.22 and 265,050.48 is: 397,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,591.18 : 776,545.22 = 265,050.48 : x
  2. Step 2: Convert to fraction form
    517,591.18/776,545.22 = 265,050.48/x
  3. Step 3: Cross multiply
    517,591.18x = 776,545.22 × 265,050.48
  4. Step 4: Simplify right side
    517,591.18x = 205,823,683,302.71
  5. Step 5: Solve for x
    x = 205,823,683,302.71/517,591.18
  6. Step 6: Final answer
    x = 397,656.86

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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.