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Finding the Fourth Proportional to 652,078.80, 976,951.80 and 558,766.80

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Solution

The fourth proportional to 652,078.80, 976,951.80 and 558,766.80 is: 837,150.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,078.80 : 976,951.80 = 558,766.80 : x
  2. Step 2: Convert to fraction form
    652,078.80/976,951.80 = 558,766.80/x
  3. Step 3: Cross multiply
    652,078.80x = 976,951.80 × 558,766.80
  4. Step 4: Simplify right side
    652,078.80x = 545,888,231,040.24
  5. Step 5: Solve for x
    x = 545,888,231,040.24/652,078.80
  6. Step 6: Final answer
    x = 837,150.71

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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.