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Finding the Fourth Proportional to 425,482.88, 587,178.72 and 234,508.64

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Solution

The fourth proportional to 425,482.88, 587,178.72 and 234,508.64 is: 323,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,482.88 : 587,178.72 = 234,508.64 : x
  2. Step 2: Convert to fraction form
    425,482.88/587,178.72 = 234,508.64/x
  3. Step 3: Cross multiply
    425,482.88x = 587,178.72 × 234,508.64
  4. Step 4: Simplify right side
    425,482.88x = 137,698,483,064.14
  5. Step 5: Solve for x
    x = 137,698,483,064.14/425,482.88
  6. Step 6: Final answer
    x = 323,628.73

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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.