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Finding the Fourth Proportional to 580,521.87, 801,140.04 and 322,402.86

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Solution

The fourth proportional to 580,521.87, 801,140.04 and 322,402.86 is: 444,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,521.87 : 801,140.04 = 322,402.86 : x
  2. Step 2: Convert to fraction form
    580,521.87/801,140.04 = 322,402.86/x
  3. Step 3: Cross multiply
    580,521.87x = 801,140.04 × 322,402.86
  4. Step 4: Simplify right side
    580,521.87x = 258,289,840,156.51
  5. Step 5: Solve for x
    x = 258,289,840,156.51/580,521.87
  6. Step 6: Final answer
    x = 444,926.98

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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.