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Finding the Fourth Proportional to 448,785.77, 619,292.49 and 252,580.88

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Solution

The fourth proportional to 448,785.77, 619,292.49 and 252,580.88 is: 348,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,785.77 : 619,292.49 = 252,580.88 : x
  2. Step 2: Convert to fraction form
    448,785.77/619,292.49 = 252,580.88/x
  3. Step 3: Cross multiply
    448,785.77x = 619,292.49 × 252,580.88
  4. Step 4: Simplify right side
    448,785.77x = 156,421,442,702.64
  5. Step 5: Solve for x
    x = 156,421,442,702.64/448,785.77
  6. Step 6: Final answer
    x = 348,543.68

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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.