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Finding the Fourth Proportional to 608,082.30, 912,040.65 and 158,838.30

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Solution

The fourth proportional to 608,082.30, 912,040.65 and 158,838.30 is: 238,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,082.30 : 912,040.65 = 158,838.30 : x
  2. Step 2: Convert to fraction form
    608,082.30/912,040.65 = 158,838.30/x
  3. Step 3: Cross multiply
    608,082.30x = 912,040.65 × 158,838.30
  4. Step 4: Simplify right side
    608,082.30x = 144,866,986,376.90
  5. Step 5: Solve for x
    x = 144,866,986,376.90/608,082.30
  6. Step 6: Final answer
    x = 238,235.82

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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.