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Finding the Fourth Proportional to 404,694.20, 607,041.30 and 194,742.20

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Solution

The fourth proportional to 404,694.20, 607,041.30 and 194,742.20 is: 292,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,694.20 : 607,041.30 = 194,742.20 : x
  2. Step 2: Convert to fraction form
    404,694.20/607,041.30 = 194,742.20/x
  3. Step 3: Cross multiply
    404,694.20x = 607,041.30 × 194,742.20
  4. Step 4: Simplify right side
    404,694.20x = 118,216,558,252.86
  5. Step 5: Solve for x
    x = 118,216,558,252.86/404,694.20
  6. Step 6: Final answer
    x = 292,113.30

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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.