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Finding the Fourth Proportional to 615,761.58, 850,337.90 and 582,214.82

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Solution

The fourth proportional to 615,761.58, 850,337.90 and 582,214.82 is: 804,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,761.58 : 850,337.90 = 582,214.82 : x
  2. Step 2: Convert to fraction form
    615,761.58/850,337.90 = 582,214.82/x
  3. Step 3: Cross multiply
    615,761.58x = 850,337.90 × 582,214.82
  4. Step 4: Simplify right side
    615,761.58x = 495,079,326,602.45
  5. Step 5: Solve for x
    x = 495,079,326,602.45/615,761.58
  6. Step 6: Final answer
    x = 804,011.39

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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.