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Finding the Fourth Proportional to 650,511.90, 975,767.85 and 584,245.80

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Solution

The fourth proportional to 650,511.90, 975,767.85 and 584,245.80 is: 876,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,511.90 : 975,767.85 = 584,245.80 : x
  2. Step 2: Convert to fraction form
    650,511.90/975,767.85 = 584,245.80/x
  3. Step 3: Cross multiply
    650,511.90x = 975,767.85 × 584,245.80
  4. Step 4: Simplify right side
    650,511.90x = 570,088,268,137.53
  5. Step 5: Solve for x
    x = 570,088,268,137.53/650,511.90
  6. Step 6: Final answer
    x = 876,368.70

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Double scale
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Similar ratio
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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.