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Finding the Fourth Proportional to 383,364.10, 575,046.15 and 173,412.10

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Solution

The fourth proportional to 383,364.10, 575,046.15 and 173,412.10 is: 260,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,364.10 : 575,046.15 = 173,412.10 : x
  2. Step 2: Convert to fraction form
    383,364.10/575,046.15 = 173,412.10/x
  3. Step 3: Cross multiply
    383,364.10x = 575,046.15 × 173,412.10
  4. Step 4: Simplify right side
    383,364.10x = 99,719,960,468.42
  5. Step 5: Solve for x
    x = 99,719,960,468.42/383,364.10
  6. Step 6: Final answer
    x = 260,118.15

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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.