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Finding the Fourth Proportional to 370,611.60, 556,176.60 and 160,400.40

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Solution

The fourth proportional to 370,611.60, 556,176.60 and 160,400.40 is: 240,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,611.60 : 556,176.60 = 160,400.40 : x
  2. Step 2: Convert to fraction form
    370,611.60/556,176.60 = 160,400.40/x
  3. Step 3: Cross multiply
    370,611.60x = 556,176.60 × 160,400.40
  4. Step 4: Simplify right side
    370,611.60x = 89,210,949,110.64
  5. Step 5: Solve for x
    x = 89,210,949,110.64/370,611.60
  6. Step 6: Final answer
    x = 240,712.78

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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.