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Finding the Fourth Proportional to 608,221.28, 912,273.60 and 187,384.16

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Solution

The fourth proportional to 608,221.28, 912,273.60 and 187,384.16 is: 281,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,221.28 : 912,273.60 = 187,384.16 : x
  2. Step 2: Convert to fraction form
    608,221.28/912,273.60 = 187,384.16/x
  3. Step 3: Cross multiply
    608,221.28x = 912,273.60 × 187,384.16
  4. Step 4: Simplify right side
    608,221.28x = 170,945,622,226.18
  5. Step 5: Solve for x
    x = 170,945,622,226.18/608,221.28
  6. Step 6: Final answer
    x = 281,058.27

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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.