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Finding the Fourth Proportional to 425,709.42, 587,483.01 and 234,729.60

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Solution

The fourth proportional to 425,709.42, 587,483.01 and 234,729.60 is: 323,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,709.42 : 587,483.01 = 234,729.60 : x
  2. Step 2: Convert to fraction form
    425,709.42/587,483.01 = 234,729.60/x
  3. Step 3: Cross multiply
    425,709.42x = 587,483.01 × 234,729.60
  4. Step 4: Simplify right side
    425,709.42x = 137,899,651,944.10
  5. Step 5: Solve for x
    x = 137,899,651,944.10/425,709.42
  6. Step 6: Final answer
    x = 323,929.06

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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.