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Finding the Fourth Proportional to 295,219.70, 442,258.63 and 247,265.40

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Solution

The fourth proportional to 295,219.70, 442,258.63 and 247,265.40 is: 370,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,219.70 : 442,258.63 = 247,265.40 : x
  2. Step 2: Convert to fraction form
    295,219.70/442,258.63 = 247,265.40/x
  3. Step 3: Cross multiply
    295,219.70x = 442,258.63 × 247,265.40
  4. Step 4: Simplify right side
    295,219.70x = 109,355,257,050.40
  5. Step 5: Solve for x
    x = 109,355,257,050.40/295,219.70
  6. Step 6: Final answer
    x = 370,419.92

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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.