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Finding the Fourth Proportional to 592,951.32, 818,273.07 and 321,019.20

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Solution

The fourth proportional to 592,951.32, 818,273.07 and 321,019.20 is: 443,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,951.32 : 818,273.07 = 321,019.20 : x
  2. Step 2: Convert to fraction form
    592,951.32/818,273.07 = 321,019.20/x
  3. Step 3: Cross multiply
    592,951.32x = 818,273.07 × 321,019.20
  4. Step 4: Simplify right side
    592,951.32x = 262,681,366,312.94
  5. Step 5: Solve for x
    x = 262,681,366,312.94/592,951.32
  6. Step 6: Final answer
    x = 443,006.63

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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.