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Finding the Fourth Proportional to 464,856.54, 641,470.23 and 260,883.42

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Solution

The fourth proportional to 464,856.54, 641,470.23 and 260,883.42 is: 360,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,856.54 : 641,470.23 = 260,883.42 : x
  2. Step 2: Convert to fraction form
    464,856.54/641,470.23 = 260,883.42/x
  3. Step 3: Cross multiply
    464,856.54x = 641,470.23 × 260,883.42
  4. Step 4: Simplify right side
    464,856.54x = 167,348,947,430.59
  5. Step 5: Solve for x
    x = 167,348,947,430.59/464,856.54
  6. Step 6: Final answer
    x = 360,001.28

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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.