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Finding the Fourth Proportional to 417,733.22, 626,624.19 and 118,188.74

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Solution

The fourth proportional to 417,733.22, 626,624.19 and 118,188.74 is: 177,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,733.22 : 626,624.19 = 118,188.74 : x
  2. Step 2: Convert to fraction form
    417,733.22/626,624.19 = 118,188.74/x
  3. Step 3: Cross multiply
    417,733.22x = 626,624.19 × 118,188.74
  4. Step 4: Simplify right side
    417,733.22x = 74,059,920,336.50
  5. Step 5: Solve for x
    x = 74,059,920,336.50/417,733.22
  6. Step 6: Final answer
    x = 177,290.00

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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.