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Finding the Fourth Proportional to 499,246.40, 747,314.40 and 359,278.40

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Solution

The fourth proportional to 499,246.40, 747,314.40 and 359,278.40 is: 537,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,246.40 : 747,314.40 = 359,278.40 : x
  2. Step 2: Convert to fraction form
    499,246.40/747,314.40 = 359,278.40/x
  3. Step 3: Cross multiply
    499,246.40x = 747,314.40 × 359,278.40
  4. Step 4: Simplify right side
    499,246.40x = 268,493,921,928.96
  5. Step 5: Solve for x
    x = 268,493,921,928.96/499,246.40
  6. Step 6: Final answer
    x = 537,798.41

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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.