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Finding the Fourth Proportional to 526,341.39, 726,352.86 and 284,625.69

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Solution

The fourth proportional to 526,341.39, 726,352.86 and 284,625.69 is: 392,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,341.39 : 726,352.86 = 284,625.69 : x
  2. Step 2: Convert to fraction form
    526,341.39/726,352.86 = 284,625.69/x
  3. Step 3: Cross multiply
    526,341.39x = 726,352.86 × 284,625.69
  4. Step 4: Simplify right side
    526,341.39x = 206,738,683,960.97
  5. Step 5: Solve for x
    x = 206,738,683,960.97/526,341.39
  6. Step 6: Final answer
    x = 392,784.39

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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.