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Finding the Fourth Proportional to 464,781.90, 641,252.79 and 260,802.84

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Solution

The fourth proportional to 464,781.90, 641,252.79 and 260,802.84 is: 359,825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,781.90 : 641,252.79 = 260,802.84 : x
  2. Step 2: Convert to fraction form
    464,781.90/641,252.79 = 260,802.84/x
  3. Step 3: Cross multiply
    464,781.90x = 641,252.79 × 260,802.84
  4. Step 4: Simplify right side
    464,781.90x = 167,240,548,789.92
  5. Step 5: Solve for x
    x = 167,240,548,789.92/464,781.90
  6. Step 6: Final answer
    x = 359,825.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.