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Finding the Fourth Proportional to 410,003.20, 615,068.16 and 173,346.88

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Solution

The fourth proportional to 410,003.20, 615,068.16 and 173,346.88 is: 260,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,003.20 : 615,068.16 = 173,346.88 : x
  2. Step 2: Convert to fraction form
    410,003.20/615,068.16 = 173,346.88/x
  3. Step 3: Cross multiply
    410,003.20x = 615,068.16 × 173,346.88
  4. Step 4: Simplify right side
    410,003.20x = 106,620,146,523.34
  5. Step 5: Solve for x
    x = 106,620,146,523.34/410,003.20
  6. Step 6: Final answer
    x = 260,047.11

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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.