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Finding the Fourth Proportional to 526,796.99, 726,984.98 and 285,084.59

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Solution

The fourth proportional to 526,796.99, 726,984.98 and 285,084.59 is: 393,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,796.99 : 726,984.98 = 285,084.59 : x
  2. Step 2: Convert to fraction form
    526,796.99/726,984.98 = 285,084.59/x
  3. Step 3: Cross multiply
    526,796.99x = 726,984.98 × 285,084.59
  4. Step 4: Simplify right side
    526,796.99x = 207,252,210,968.18
  5. Step 5: Solve for x
    x = 207,252,210,968.18/526,796.99
  6. Step 6: Final answer
    x = 393,419.51

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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.