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Finding the Fourth Proportional to 624,531.75, 861,854.22 and 338,054.19

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Solution

The fourth proportional to 624,531.75, 861,854.22 and 338,054.19 is: 466,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,531.75 : 861,854.22 = 338,054.19 : x
  2. Step 2: Convert to fraction form
    624,531.75/861,854.22 = 338,054.19/x
  3. Step 3: Cross multiply
    624,531.75x = 861,854.22 × 338,054.19
  4. Step 4: Simplify right side
    624,531.75x = 291,353,430,240.18
  5. Step 5: Solve for x
    x = 291,353,430,240.18/624,531.75
  6. Step 6: Final answer
    x = 466,515.00

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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.