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Finding the Fourth Proportional to 593,518.68, 819,339.72 and 338,820.72

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Solution

The fourth proportional to 593,518.68, 819,339.72 and 338,820.72 is: 467,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,518.68 : 819,339.72 = 338,820.72 : x
  2. Step 2: Convert to fraction form
    593,518.68/819,339.72 = 338,820.72/x
  3. Step 3: Cross multiply
    593,518.68x = 819,339.72 × 338,820.72
  4. Step 4: Simplify right side
    593,518.68x = 277,609,273,855.00
  5. Step 5: Solve for x
    x = 277,609,273,855.00/593,518.68
  6. Step 6: Final answer
    x = 467,734.69

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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.