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Finding the Fourth Proportional to 587,257.46, 810,482.53 and 329,204.11

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Solution

The fourth proportional to 587,257.46, 810,482.53 and 329,204.11 is: 454,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,257.46 : 810,482.53 = 329,204.11 : x
  2. Step 2: Convert to fraction form
    587,257.46/810,482.53 = 329,204.11/x
  3. Step 3: Cross multiply
    587,257.46x = 810,482.53 × 329,204.11
  4. Step 4: Simplify right side
    587,257.46x = 266,814,174,260.77
  5. Step 5: Solve for x
    x = 266,814,174,260.77/587,257.46
  6. Step 6: Final answer
    x = 454,339.35

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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.