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Finding the Fourth Proportional to 587,466.40, 879,887.40 and 482,490.40

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Solution

The fourth proportional to 587,466.40, 879,887.40 and 482,490.40 is: 722,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,466.40 : 879,887.40 = 482,490.40 : x
  2. Step 2: Convert to fraction form
    587,466.40/879,887.40 = 482,490.40/x
  3. Step 3: Cross multiply
    587,466.40x = 879,887.40 × 482,490.40
  4. Step 4: Simplify right side
    587,466.40x = 424,537,223,580.96
  5. Step 5: Solve for x
    x = 424,537,223,580.96/587,466.40
  6. Step 6: Final answer
    x = 722,657.88

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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.