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Finding the Fourth Proportional to 576,140.20, 795,391.93 and 346,753.80

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Solution

The fourth proportional to 576,140.20, 795,391.93 and 346,753.80 is: 478,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,140.20 : 795,391.93 = 346,753.80 : x
  2. Step 2: Convert to fraction form
    576,140.20/795,391.93 = 346,753.80/x
  3. Step 3: Cross multiply
    576,140.20x = 795,391.93 × 346,753.80
  4. Step 4: Simplify right side
    576,140.20x = 275,805,173,349.95
  5. Step 5: Solve for x
    x = 275,805,173,349.95/576,140.20
  6. Step 6: Final answer
    x = 478,711.91

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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.