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Finding the Fourth Proportional to 476,824.40, 715,236.60 and 144,400.40

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Solution

The fourth proportional to 476,824.40, 715,236.60 and 144,400.40 is: 216,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,824.40 : 715,236.60 = 144,400.40 : x
  2. Step 2: Convert to fraction form
    476,824.40/715,236.60 = 144,400.40/x
  3. Step 3: Cross multiply
    476,824.40x = 715,236.60 × 144,400.40
  4. Step 4: Simplify right side
    476,824.40x = 103,280,451,134.64
  5. Step 5: Solve for x
    x = 103,280,451,134.64/476,824.40
  6. Step 6: Final answer
    x = 216,600.60

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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.