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Finding the Fourth Proportional to 608,089.20, 912,133.80 and 164,857.20

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Solution

The fourth proportional to 608,089.20, 912,133.80 and 164,857.20 is: 247,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,089.20 : 912,133.80 = 164,857.20 : x
  2. Step 2: Convert to fraction form
    608,089.20/912,133.80 = 164,857.20/x
  3. Step 3: Cross multiply
    608,089.20x = 912,133.80 × 164,857.20
  4. Step 4: Simplify right side
    608,089.20x = 150,371,824,293.36
  5. Step 5: Solve for x
    x = 150,371,824,293.36/608,089.20
  6. Step 6: Final answer
    x = 247,285.80

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Similar ratio
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1.5x scale

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.