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Finding the Fourth Proportional to 587,328.04, 810,638.82 and 357,960.04

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Solution

The fourth proportional to 587,328.04, 810,638.82 and 357,960.04 is: 494,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,328.04 : 810,638.82 = 357,960.04 : x
  2. Step 2: Convert to fraction form
    587,328.04/810,638.82 = 357,960.04/x
  3. Step 3: Cross multiply
    587,328.04x = 810,638.82 × 357,960.04
  4. Step 4: Simplify right side
    587,328.04x = 290,176,304,432.75
  5. Step 5: Solve for x
    x = 290,176,304,432.75/587,328.04
  6. Step 6: Final answer
    x = 494,061.72

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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.