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Finding the Fourth Proportional to 587,409.40, 879,801.90 and 482,433.40

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Solution

The fourth proportional to 587,409.40, 879,801.90 and 482,433.40 is: 722,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,409.40 : 879,801.90 = 482,433.40 : x
  2. Step 2: Convert to fraction form
    587,409.40/879,801.90 = 482,433.40/x
  3. Step 3: Cross multiply
    587,409.40x = 879,801.90 × 482,433.40
  4. Step 4: Simplify right side
    587,409.40x = 424,445,821,943.46
  5. Step 5: Solve for x
    x = 424,445,821,943.46/587,409.40
  6. Step 6: Final answer
    x = 722,572.40

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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.