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Finding the Fourth Proportional to 425,627.79, 587,370.43 and 234,648.01

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Solution

The fourth proportional to 425,627.79, 587,370.43 and 234,648.01 is: 323,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,627.79 : 587,370.43 = 234,648.01 : x
  2. Step 2: Convert to fraction form
    425,627.79/587,370.43 = 234,648.01/x
  3. Step 3: Cross multiply
    425,627.79x = 587,370.43 × 234,648.01
  4. Step 4: Simplify right side
    425,627.79x = 137,825,302,532.34
  5. Step 5: Solve for x
    x = 137,825,302,532.34/425,627.79
  6. Step 6: Final answer
    x = 323,816.50

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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.