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Finding the Fourth Proportional to 310,604.16, 428,604.17 and 181,572.86

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Solution

The fourth proportional to 310,604.16, 428,604.17 and 181,572.86 is: 250,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,604.16 : 428,604.17 = 181,572.86 : x
  2. Step 2: Convert to fraction form
    310,604.16/428,604.17 = 181,572.86/x
  3. Step 3: Cross multiply
    310,604.16x = 428,604.17 × 181,572.86
  4. Step 4: Simplify right side
    310,604.16x = 77,822,884,954.83
  5. Step 5: Solve for x
    x = 77,822,884,954.83/310,604.16
  6. Step 6: Final answer
    x = 250,553.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.