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Finding the Fourth Proportional to 425,498.64, 638,037.36 and 248,050.32

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Solution

The fourth proportional to 425,498.64, 638,037.36 and 248,050.32 is: 371,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,498.64 : 638,037.36 = 248,050.32 : x
  2. Step 2: Convert to fraction form
    425,498.64/638,037.36 = 248,050.32/x
  3. Step 3: Cross multiply
    425,498.64x = 638,037.36 × 248,050.32
  4. Step 4: Simplify right side
    425,498.64x = 158,265,371,319.96
  5. Step 5: Solve for x
    x = 158,265,371,319.96/425,498.64
  6. Step 6: Final answer
    x = 371,952.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.