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Finding the Fourth Proportional to 247,301.60, 370,952.40 and 147,574.40

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Solution

The fourth proportional to 247,301.60, 370,952.40 and 147,574.40 is: 221,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,301.60 : 370,952.40 = 147,574.40 : x
  2. Step 2: Convert to fraction form
    247,301.60/370,952.40 = 147,574.40/x
  3. Step 3: Cross multiply
    247,301.60x = 370,952.40 × 147,574.40
  4. Step 4: Simplify right side
    247,301.60x = 54,743,077,858.56
  5. Step 5: Solve for x
    x = 54,743,077,858.56/247,301.60
  6. Step 6: Final answer
    x = 221,361.60

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1.5x scale

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.