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Finding the Fourth Proportional to 425,353.88, 587,101.55 and 251,077.32

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Solution

The fourth proportional to 425,353.88, 587,101.55 and 251,077.32 is: 346,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,353.88 : 587,101.55 = 251,077.32 : x
  2. Step 2: Convert to fraction form
    425,353.88/587,101.55 = 251,077.32/x
  3. Step 3: Cross multiply
    425,353.88x = 587,101.55 × 251,077.32
  4. Step 4: Simplify right side
    425,353.88x = 147,407,883,741.85
  5. Step 5: Solve for x
    x = 147,407,883,741.85/425,353.88
  6. Step 6: Final answer
    x = 346,553.52

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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.