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Finding the Fourth Proportional to 333,569.19, 500,349.32 and 80,851.85

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Solution

The fourth proportional to 333,569.19, 500,349.32 and 80,851.85 is: 121,276.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,569.19 : 500,349.32 = 80,851.85 : x
  2. Step 2: Convert to fraction form
    333,569.19/500,349.32 = 80,851.85/x
  3. Step 3: Cross multiply
    333,569.19x = 500,349.32 × 80,851.85
  4. Step 4: Simplify right side
    333,569.19x = 40,454,168,168.24
  5. Step 5: Solve for x
    x = 40,454,168,168.24/333,569.19
  6. Step 6: Final answer
    x = 121,276.69

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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.