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Finding the Fourth Proportional to 410,347.80, 615,435.30 and 173,698.20

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Solution

The fourth proportional to 410,347.80, 615,435.30 and 173,698.20 is: 260,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,347.80 : 615,435.30 = 173,698.20 : x
  2. Step 2: Convert to fraction form
    410,347.80/615,435.30 = 173,698.20/x
  3. Step 3: Cross multiply
    410,347.80x = 615,435.30 × 173,698.20
  4. Step 4: Simplify right side
    410,347.80x = 106,900,003,826.46
  5. Step 5: Solve for x
    x = 106,900,003,826.46/410,347.80
  6. Step 6: Final answer
    x = 260,510.73

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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.