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Finding the Fourth Proportional to 573,932.76, 792,023.40 and 315,825.42

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Solution

The fourth proportional to 573,932.76, 792,023.40 and 315,825.42 is: 435,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,932.76 : 792,023.40 = 315,825.42 : x
  2. Step 2: Convert to fraction form
    573,932.76/792,023.40 = 315,825.42/x
  3. Step 3: Cross multiply
    573,932.76x = 792,023.40 × 315,825.42
  4. Step 4: Simplify right side
    573,932.76x = 250,141,122,954.83
  5. Step 5: Solve for x
    x = 250,141,122,954.83/573,932.76
  6. Step 6: Final answer
    x = 435,836.98

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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.