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Finding the Fourth Proportional to 410,111.20, 615,230.16 and 173,455.20

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Solution

The fourth proportional to 410,111.20, 615,230.16 and 173,455.20 is: 260,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,111.20 : 615,230.16 = 173,455.20 : x
  2. Step 2: Convert to fraction form
    410,111.20/615,230.16 = 173,455.20/x
  3. Step 3: Cross multiply
    410,111.20x = 615,230.16 × 173,455.20
  4. Step 4: Simplify right side
    410,111.20x = 106,714,870,448.83
  5. Step 5: Solve for x
    x = 106,714,870,448.83/410,111.20
  6. Step 6: Final answer
    x = 260,209.60

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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.