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Finding the Fourth Proportional to 529,067.94, 730,000.17 and 314,280.42

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Solution

The fourth proportional to 529,067.94, 730,000.17 and 314,280.42 is: 433,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,067.94 : 730,000.17 = 314,280.42 : x
  2. Step 2: Convert to fraction form
    529,067.94/730,000.17 = 314,280.42/x
  3. Step 3: Cross multiply
    529,067.94x = 730,000.17 × 314,280.42
  4. Step 4: Simplify right side
    529,067.94x = 229,424,760,027.67
  5. Step 5: Solve for x
    x = 229,424,760,027.67/529,067.94
  6. Step 6: Final answer
    x = 433,639.51

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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.