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Finding the Fourth Proportional to 435,217.34, 600,445.95 and 284,401.82

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Solution

The fourth proportional to 435,217.34, 600,445.95 and 284,401.82 is: 392,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,217.34 : 600,445.95 = 284,401.82 : x
  2. Step 2: Convert to fraction form
    435,217.34/600,445.95 = 284,401.82/x
  3. Step 3: Cross multiply
    435,217.34x = 600,445.95 × 284,401.82
  4. Step 4: Simplify right side
    435,217.34x = 170,767,917,989.40
  5. Step 5: Solve for x
    x = 170,767,917,989.40/435,217.34
  6. Step 6: Final answer
    x = 392,373.89

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1.5x scale

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.