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Finding the Fourth Proportional to 410,051.01, 615,120.32 and 173,417.61

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Solution

The fourth proportional to 410,051.01, 615,120.32 and 173,417.61 is: 260,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,051.01 : 615,120.32 = 173,417.61 : x
  2. Step 2: Convert to fraction form
    410,051.01/615,120.32 = 173,417.61/x
  3. Step 3: Cross multiply
    410,051.01x = 615,120.32 × 173,417.61
  4. Step 4: Simplify right side
    410,051.01x = 106,672,691,814.15
  5. Step 5: Solve for x
    x = 106,672,691,814.15/410,051.01
  6. Step 6: Final answer
    x = 260,144.93

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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.