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Finding the Fourth Proportional to 440,374.64, 660,392.94 and 187,494.80

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Solution

The fourth proportional to 440,374.64, 660,392.94 and 187,494.80 is: 281,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,374.64 : 660,392.94 = 187,494.80 : x
  2. Step 2: Convert to fraction form
    440,374.64/660,392.94 = 187,494.80/x
  3. Step 3: Cross multiply
    440,374.64x = 660,392.94 × 187,494.80
  4. Step 4: Simplify right side
    440,374.64x = 123,820,242,206.71
  5. Step 5: Solve for x
    x = 123,820,242,206.71/440,374.64
  6. Step 6: Final answer
    x = 281,170.24

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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.