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Finding the Fourth Proportional to 448,870.50, 619,454.25 and 247,679.46

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Solution

The fourth proportional to 448,870.50, 619,454.25 and 247,679.46 is: 341,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,870.50 : 619,454.25 = 247,679.46 : x
  2. Step 2: Convert to fraction form
    448,870.50/619,454.25 = 247,679.46/x
  3. Step 3: Cross multiply
    448,870.50x = 619,454.25 × 247,679.46
  4. Step 4: Simplify right side
    448,870.50x = 153,426,094,134.71
  5. Step 5: Solve for x
    x = 153,426,094,134.71/448,870.50
  6. Step 6: Final answer
    x = 341,804.81

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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.