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Finding the Fourth Proportional to 452,568.60, 679,290.30 and 228,182.40

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Solution

The fourth proportional to 452,568.60, 679,290.30 and 228,182.40 is: 342,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,568.60 : 679,290.30 = 228,182.40 : x
  2. Step 2: Convert to fraction form
    452,568.60/679,290.30 = 228,182.40/x
  3. Step 3: Cross multiply
    452,568.60x = 679,290.30 × 228,182.40
  4. Step 4: Simplify right side
    452,568.60x = 155,002,090,950.72
  5. Step 5: Solve for x
    x = 155,002,090,950.72/452,568.60
  6. Step 6: Final answer
    x = 342,494.13

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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.