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Finding the Fourth Proportional to 650,958.10, 976,437.15 and 548,314.90

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Solution

The fourth proportional to 650,958.10, 976,437.15 and 548,314.90 is: 822,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,958.10 : 976,437.15 = 548,314.90 : x
  2. Step 2: Convert to fraction form
    650,958.10/976,437.15 = 548,314.90/x
  3. Step 3: Cross multiply
    650,958.10x = 976,437.15 × 548,314.90
  4. Step 4: Simplify right side
    650,958.10x = 535,395,038,258.54
  5. Step 5: Solve for x
    x = 535,395,038,258.54/650,958.10
  6. Step 6: Final answer
    x = 822,472.35

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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.