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Finding the Fourth Proportional to 588,995.01, 813,223.40 and 395,697.02

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Solution

The fourth proportional to 588,995.01, 813,223.40 and 395,697.02 is: 546,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,995.01 : 813,223.40 = 395,697.02 : x
  2. Step 2: Convert to fraction form
    588,995.01/813,223.40 = 395,697.02/x
  3. Step 3: Cross multiply
    588,995.01x = 813,223.40 × 395,697.02
  4. Step 4: Simplify right side
    588,995.01x = 321,790,069,929.67
  5. Step 5: Solve for x
    x = 321,790,069,929.67/588,995.01
  6. Step 6: Final answer
    x = 546,337.51

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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.