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Finding the Fourth Proportional to 448,881.76, 619,458.96 and 247,677.76

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Solution

The fourth proportional to 448,881.76, 619,458.96 and 247,677.76 is: 341,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,881.76 : 619,458.96 = 247,677.76 : x
  2. Step 2: Convert to fraction form
    448,881.76/619,458.96 = 247,677.76/x
  3. Step 3: Cross multiply
    448,881.76x = 619,458.96 × 247,677.76
  4. Step 4: Simplify right side
    448,881.76x = 153,426,207,624.73
  5. Step 5: Solve for x
    x = 153,426,207,624.73/448,881.76
  6. Step 6: Final answer
    x = 341,796.48

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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.