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Finding the Fourth Proportional to 577,387.29, 866,025.25 and 177,920.81

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Solution

The fourth proportional to 577,387.29, 866,025.25 and 177,920.81 is: 266,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,387.29 : 866,025.25 = 177,920.81 : x
  2. Step 2: Convert to fraction form
    577,387.29/866,025.25 = 177,920.81/x
  3. Step 3: Cross multiply
    577,387.29x = 866,025.25 × 177,920.81
  4. Step 4: Simplify right side
    577,387.29x = 154,083,913,960.45
  5. Step 5: Solve for x
    x = 154,083,913,960.45/577,387.29
  6. Step 6: Final answer
    x = 266,864.06

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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.