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Finding the Fourth Proportional to 526,594.57, 726,698.32 and 284,876.58

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Solution

The fourth proportional to 526,594.57, 726,698.32 and 284,876.58 is: 393,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,594.57 : 726,698.32 = 284,876.58 : x
  2. Step 2: Convert to fraction form
    526,594.57/726,698.32 = 284,876.58/x
  3. Step 3: Cross multiply
    526,594.57x = 726,698.32 × 284,876.58
  4. Step 4: Simplify right side
    526,594.57x = 207,019,332,093.35
  5. Step 5: Solve for x
    x = 207,019,332,093.35/526,594.57
  6. Step 6: Final answer
    x = 393,128.50

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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.