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Finding the Fourth Proportional to 468,417.11, 702,722.88 and 187,956.23

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Solution

The fourth proportional to 468,417.11, 702,722.88 and 187,956.23 is: 281,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,417.11 : 702,722.88 = 187,956.23 : x
  2. Step 2: Convert to fraction form
    468,417.11/702,722.88 = 187,956.23/x
  3. Step 3: Cross multiply
    468,417.11x = 702,722.88 × 187,956.23
  4. Step 4: Simplify right side
    468,417.11x = 132,081,143,259.54
  5. Step 5: Solve for x
    x = 132,081,143,259.54/468,417.11
  6. Step 6: Final answer
    x = 281,973.35

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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.