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Finding the Fourth Proportional to 417,403.35, 626,203.32 and 332,335.95

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Solution

The fourth proportional to 417,403.35, 626,203.32 and 332,335.95 is: 498,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,403.35 : 626,203.32 = 332,335.95 : x
  2. Step 2: Convert to fraction form
    417,403.35/626,203.32 = 332,335.95/x
  3. Step 3: Cross multiply
    417,403.35x = 626,203.32 × 332,335.95
  4. Step 4: Simplify right side
    417,403.35x = 208,109,875,245.35
  5. Step 5: Solve for x
    x = 208,109,875,245.35/417,403.35
  6. Step 6: Final answer
    x = 498,582.19

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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.