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Finding the Fourth Proportional to 608,349.76, 912,537.06 and 187,626.04

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Solution

The fourth proportional to 608,349.76, 912,537.06 and 187,626.04 is: 281,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,349.76 : 912,537.06 = 187,626.04 : x
  2. Step 2: Convert to fraction form
    608,349.76/912,537.06 = 187,626.04/x
  3. Step 3: Cross multiply
    608,349.76x = 912,537.06 × 187,626.04
  4. Step 4: Simplify right side
    608,349.76x = 171,215,714,921.04
  5. Step 5: Solve for x
    x = 171,215,714,921.04/608,349.76
  6. Step 6: Final answer
    x = 281,442.89

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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.