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Finding the Fourth Proportional to 410,148.80, 615,223.20 and 404,619.20

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Solution

The fourth proportional to 410,148.80, 615,223.20 and 404,619.20 is: 606,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,148.80 : 615,223.20 = 404,619.20 : x
  2. Step 2: Convert to fraction form
    410,148.80/615,223.20 = 404,619.20/x
  3. Step 3: Cross multiply
    410,148.80x = 615,223.20 × 404,619.20
  4. Step 4: Simplify right side
    410,148.80x = 248,931,119,005.44
  5. Step 5: Solve for x
    x = 248,931,119,005.44/410,148.80
  6. Step 6: Final answer
    x = 606,928.80

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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.