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Finding the Fourth Proportional to 370,785.60, 556,437.60 and 160,574.40

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Solution

The fourth proportional to 370,785.60, 556,437.60 and 160,574.40 is: 240,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,785.60 : 556,437.60 = 160,574.40 : x
  2. Step 2: Convert to fraction form
    370,785.60/556,437.60 = 160,574.40/x
  3. Step 3: Cross multiply
    370,785.60x = 556,437.60 × 160,574.40
  4. Step 4: Simplify right side
    370,785.60x = 89,349,633,757.44
  5. Step 5: Solve for x
    x = 89,349,633,757.44/370,785.60
  6. Step 6: Final answer
    x = 240,973.85

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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.