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Finding the Fourth Proportional to 608,213.30, 912,332.10 and 158,906.30

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Solution

The fourth proportional to 608,213.30, 912,332.10 and 158,906.30 is: 238,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,213.30 : 912,332.10 = 158,906.30 : x
  2. Step 2: Convert to fraction form
    608,213.30/912,332.10 = 158,906.30/x
  3. Step 3: Cross multiply
    608,213.30x = 912,332.10 × 158,906.30
  4. Step 4: Simplify right side
    608,213.30x = 144,975,318,382.23
  5. Step 5: Solve for x
    x = 144,975,318,382.23/608,213.30
  6. Step 6: Final answer
    x = 238,362.62

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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.