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Finding the Fourth Proportional to 608,551.80, 912,957.30 and 187,870.20

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Solution

The fourth proportional to 608,551.80, 912,957.30 and 187,870.20 is: 281,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,551.80 : 912,957.30 = 187,870.20 : x
  2. Step 2: Convert to fraction form
    608,551.80/912,957.30 = 187,870.20/x
  3. Step 3: Cross multiply
    608,551.80x = 912,957.30 × 187,870.20
  4. Step 4: Simplify right side
    608,551.80x = 171,517,470,542.46
  5. Step 5: Solve for x
    x = 171,517,470,542.46/608,551.80
  6. Step 6: Final answer
    x = 281,845.31

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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.