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Finding the Fourth Proportional to 440,544, 660,813.84 and 125,001.48

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Solution

The fourth proportional to 440,544, 660,813.84 and 125,001.48 is: 187,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,544 : 660,813.84 = 125,001.48 : x
  2. Step 2: Convert to fraction form
    440,544/660,813.84 = 125,001.48/x
  3. Step 3: Cross multiply
    440,544x = 660,813.84 × 125,001.48
  4. Step 4: Simplify right side
    440,544x = 82,602,708,004.48
  5. Step 5: Solve for x
    x = 82,602,708,004.48/440,544
  6. Step 6: Final answer
    x = 187,501.61

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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.