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Finding the Fourth Proportional to 526,713.02, 726,858.73 and 284,990.19

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Solution

The fourth proportional to 526,713.02, 726,858.73 and 284,990.19 is: 393,283.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,713.02 : 726,858.73 = 284,990.19 : x
  2. Step 2: Convert to fraction form
    526,713.02/726,858.73 = 284,990.19/x
  3. Step 3: Cross multiply
    526,713.02x = 726,858.73 × 284,990.19
  4. Step 4: Simplify right side
    526,713.02x = 207,147,607,565.86
  5. Step 5: Solve for x
    x = 207,147,607,565.86/526,713.02
  6. Step 6: Final answer
    x = 393,283.63

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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.