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Finding the Fourth Proportional to 526,578.52, 726,677.56 and 284,860.32

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Solution

The fourth proportional to 526,578.52, 726,677.56 and 284,860.32 is: 393,106.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,578.52 : 726,677.56 = 284,860.32 : x
  2. Step 2: Convert to fraction form
    526,578.52/726,677.56 = 284,860.32/x
  3. Step 3: Cross multiply
    526,578.52x = 726,677.56 × 284,860.32
  4. Step 4: Simplify right side
    526,578.52x = 207,001,602,278.42
  5. Step 5: Solve for x
    x = 207,001,602,278.42/526,578.52
  6. Step 6: Final answer
    x = 393,106.81

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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.