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Finding the Fourth Proportional to 441,070.18, 608,452.42 and 288,197.74

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Solution

The fourth proportional to 441,070.18, 608,452.42 and 288,197.74 is: 397,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,070.18 : 608,452.42 = 288,197.74 : x
  2. Step 2: Convert to fraction form
    441,070.18/608,452.42 = 288,197.74/x
  3. Step 3: Cross multiply
    441,070.18x = 608,452.42 × 288,197.74
  4. Step 4: Simplify right side
    441,070.18x = 175,354,609,299.27
  5. Step 5: Solve for x
    x = 175,354,609,299.27/441,070.18
  6. Step 6: Final answer
    x = 397,566.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.