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Finding the Fourth Proportional to 440,612.26, 660,953.40 and 187,894.91

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Solution

The fourth proportional to 440,612.26, 660,953.40 and 187,894.91 is: 281,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,612.26 : 660,953.40 = 187,894.91 : x
  2. Step 2: Convert to fraction form
    440,612.26/660,953.40 = 187,894.91/x
  3. Step 3: Cross multiply
    440,612.26x = 660,953.40 × 187,894.91
  4. Step 4: Simplify right side
    440,612.26x = 124,189,776,302.43
  5. Step 5: Solve for x
    x = 124,189,776,302.43/440,612.26
  6. Step 6: Final answer
    x = 281,857.29

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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.