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Finding the Fourth Proportional to 425,627.90, 587,392.95 and 234,640.94

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Solution

The fourth proportional to 425,627.90, 587,392.95 and 234,640.94 is: 323,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,627.90 : 587,392.95 = 234,640.94 : x
  2. Step 2: Convert to fraction form
    425,627.90/587,392.95 = 234,640.94/x
  3. Step 3: Cross multiply
    425,627.90x = 587,392.95 × 234,640.94
  4. Step 4: Simplify right side
    425,627.90x = 137,826,433,937.37
  5. Step 5: Solve for x
    x = 137,826,433,937.37/425,627.90
  6. Step 6: Final answer
    x = 323,819.08

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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.