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Finding the Fourth Proportional to 418,077.93, 577,186.94 and 275,253.16

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Solution

The fourth proportional to 418,077.93, 577,186.94 and 275,253.16 is: 380,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,077.93 : 577,186.94 = 275,253.16 : x
  2. Step 2: Convert to fraction form
    418,077.93/577,186.94 = 275,253.16/x
  3. Step 3: Cross multiply
    418,077.93x = 577,186.94 × 275,253.16
  4. Step 4: Simplify right side
    418,077.93x = 158,872,529,145.73
  5. Step 5: Solve for x
    x = 158,872,529,145.73/418,077.93
  6. Step 6: Final answer
    x = 380,006.97

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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.