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Finding the Fourth Proportional to 608,881.25, 912,829.70 and 254,160.79

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Solution

The fourth proportional to 608,881.25, 912,829.70 and 254,160.79 is: 381,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,881.25 : 912,829.70 = 254,160.79 : x
  2. Step 2: Convert to fraction form
    608,881.25/912,829.70 = 254,160.79/x
  3. Step 3: Cross multiply
    608,881.25x = 912,829.70 × 254,160.79
  4. Step 4: Simplify right side
    608,881.25x = 232,005,516,040.79
  5. Step 5: Solve for x
    x = 232,005,516,040.79/608,881.25
  6. Step 6: Final answer
    x = 381,035.74

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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.