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Finding the Fourth Proportional to 362,781.81, 500,778.42 and 241,878.90

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Solution

The fourth proportional to 362,781.81, 500,778.42 and 241,878.90 is: 333,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,781.81 : 500,778.42 = 241,878.90 : x
  2. Step 2: Convert to fraction form
    362,781.81/500,778.42 = 241,878.90/x
  3. Step 3: Cross multiply
    362,781.81x = 500,778.42 × 241,878.90
  4. Step 4: Simplify right side
    362,781.81x = 121,127,733,373.34
  5. Step 5: Solve for x
    x = 121,127,733,373.34/362,781.81
  6. Step 6: Final answer
    x = 333,885.91

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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.