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Finding the Fourth Proportional to 425,582.76, 587,308.16 and 234,603

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Solution

The fourth proportional to 425,582.76, 587,308.16 and 234,603 is: 323,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,582.76 : 587,308.16 = 234,603 : x
  2. Step 2: Convert to fraction form
    425,582.76/587,308.16 = 234,603/x
  3. Step 3: Cross multiply
    425,582.76x = 587,308.16 × 234,603
  4. Step 4: Simplify right side
    425,582.76x = 137,784,256,260.48
  5. Step 5: Solve for x
    x = 137,784,256,260.48/425,582.76
  6. Step 6: Final answer
    x = 323,754.32

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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.