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Finding the Fourth Proportional to 370,777.20, 556,165.80 and 202,232.40

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Solution

The fourth proportional to 370,777.20, 556,165.80 and 202,232.40 is: 303,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,777.20 : 556,165.80 = 202,232.40 : x
  2. Step 2: Convert to fraction form
    370,777.20/556,165.80 = 202,232.40/x
  3. Step 3: Cross multiply
    370,777.20x = 556,165.80 × 202,232.40
  4. Step 4: Simplify right side
    370,777.20x = 112,474,744,531.92
  5. Step 5: Solve for x
    x = 112,474,744,531.92/370,777.20
  6. Step 6: Final answer
    x = 303,348.60

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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.