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Finding the Fourth Proportional to 608,044.80, 912,196.80 and 187,363.20

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Solution

The fourth proportional to 608,044.80, 912,196.80 and 187,363.20 is: 281,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,044.80 : 912,196.80 = 187,363.20 : x
  2. Step 2: Convert to fraction form
    608,044.80/912,196.80 = 187,363.20/x
  3. Step 3: Cross multiply
    608,044.80x = 912,196.80 × 187,363.20
  4. Step 4: Simplify right side
    608,044.80x = 170,912,111,477.76
  5. Step 5: Solve for x
    x = 170,912,111,477.76/608,044.80
  6. Step 6: Final answer
    x = 281,084.74

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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.