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Finding the Fourth Proportional to 537,065.15, 805,597.72 and 255,729.47

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Solution

The fourth proportional to 537,065.15, 805,597.72 and 255,729.47 is: 383,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,065.15 : 805,597.72 = 255,729.47 : x
  2. Step 2: Convert to fraction form
    537,065.15/805,597.72 = 255,729.47/x
  3. Step 3: Cross multiply
    537,065.15x = 805,597.72 × 255,729.47
  4. Step 4: Simplify right side
    537,065.15x = 206,015,073,301.50
  5. Step 5: Solve for x
    x = 206,015,073,301.50/537,065.15
  6. Step 6: Final answer
    x = 383,594.20

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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.