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Finding the Fourth Proportional to 418,798.80, 577,785.60 and 246,611.52

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Solution

The fourth proportional to 418,798.80, 577,785.60 and 246,611.52 is: 340,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,798.80 : 577,785.60 = 246,611.52 : x
  2. Step 2: Convert to fraction form
    418,798.80/577,785.60 = 246,611.52/x
  3. Step 3: Cross multiply
    418,798.80x = 577,785.60 × 246,611.52
  4. Step 4: Simplify right side
    418,798.80x = 142,488,585,050.11
  5. Step 5: Solve for x
    x = 142,488,585,050.11/418,798.80
  6. Step 6: Final answer
    x = 340,231.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.