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Finding the Fourth Proportional to 417,613.20, 626,350.14 and 118,025.79

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Solution

The fourth proportional to 417,613.20, 626,350.14 and 118,025.79 is: 177,019.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,613.20 : 626,350.14 = 118,025.79 : x
  2. Step 2: Convert to fraction form
    417,613.20/626,350.14 = 118,025.79/x
  3. Step 3: Cross multiply
    417,613.20x = 626,350.14 × 118,025.79
  4. Step 4: Simplify right side
    417,613.20x = 73,925,470,090.11
  5. Step 5: Solve for x
    x = 73,925,470,090.11/417,613.20
  6. Step 6: Final answer
    x = 177,019.00

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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.