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Finding the Fourth Proportional to 526,519.90, 726,594.60 and 284,801.68

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Solution

The fourth proportional to 526,519.90, 726,594.60 and 284,801.68 is: 393,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,519.90 : 726,594.60 = 284,801.68 : x
  2. Step 2: Convert to fraction form
    526,519.90/726,594.60 = 284,801.68/x
  3. Step 3: Cross multiply
    526,519.90x = 726,594.60 × 284,801.68
  4. Step 4: Simplify right side
    526,519.90x = 206,935,362,758.93
  5. Step 5: Solve for x
    x = 206,935,362,758.93/526,519.90
  6. Step 6: Final answer
    x = 393,024.77

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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.