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Finding the Fourth Proportional to 342,452.40, 513,550.88 and 117,749.28

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Solution

The fourth proportional to 342,452.40, 513,550.88 and 117,749.28 is: 176,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,452.40 : 513,550.88 = 117,749.28 : x
  2. Step 2: Convert to fraction form
    342,452.40/513,550.88 = 117,749.28/x
  3. Step 3: Cross multiply
    342,452.40x = 513,550.88 × 117,749.28
  4. Step 4: Simplify right side
    342,452.40x = 60,470,246,363.37
  5. Step 5: Solve for x
    x = 60,470,246,363.37/342,452.40
  6. Step 6: Final answer
    x = 176,580.00

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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.