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Finding the Fourth Proportional to 659,577.40, 989,366.10 and 160,941.40

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Solution

The fourth proportional to 659,577.40, 989,366.10 and 160,941.40 is: 241,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,577.40 : 989,366.10 = 160,941.40 : x
  2. Step 2: Convert to fraction form
    659,577.40/989,366.10 = 160,941.40/x
  3. Step 3: Cross multiply
    659,577.40x = 989,366.10 × 160,941.40
  4. Step 4: Simplify right side
    659,577.40x = 159,229,965,246.54
  5. Step 5: Solve for x
    x = 159,229,965,246.54/659,577.40
  6. Step 6: Final answer
    x = 241,412.10

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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.