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Finding the Fourth Proportional to 632,185.40, 948,278.10 and 366,464.90

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Solution

The fourth proportional to 632,185.40, 948,278.10 and 366,464.90 is: 549,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,185.40 : 948,278.10 = 366,464.90 : x
  2. Step 2: Convert to fraction form
    632,185.40/948,278.10 = 366,464.90/x
  3. Step 3: Cross multiply
    632,185.40x = 948,278.10 × 366,464.90
  4. Step 4: Simplify right side
    632,185.40x = 347,510,639,088.69
  5. Step 5: Solve for x
    x = 347,510,639,088.69/632,185.40
  6. Step 6: Final answer
    x = 549,697.35

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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.