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Finding the Fourth Proportional to 610,901.64, 915,984.18 and 273,881.34

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Solution

The fourth proportional to 610,901.64, 915,984.18 and 273,881.34 is: 410,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,901.64 : 915,984.18 = 273,881.34 : x
  2. Step 2: Convert to fraction form
    610,901.64/915,984.18 = 273,881.34/x
  3. Step 3: Cross multiply
    610,901.64x = 915,984.18 × 273,881.34
  4. Step 4: Simplify right side
    610,901.64x = 250,870,974,637.20
  5. Step 5: Solve for x
    x = 250,870,974,637.20/610,901.64
  6. Step 6: Final answer
    x = 410,656.90

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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.