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Finding the Fourth Proportional to 358,819.87, 538,230.56 and 336,897.93

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Solution

The fourth proportional to 358,819.87, 538,230.56 and 336,897.93 is: 505,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,819.87 : 538,230.56 = 336,897.93 : x
  2. Step 2: Convert to fraction form
    358,819.87/538,230.56 = 336,897.93/x
  3. Step 3: Cross multiply
    358,819.87x = 538,230.56 × 336,897.93
  4. Step 4: Simplify right side
    358,819.87x = 181,328,761,526.74
  5. Step 5: Solve for x
    x = 181,328,761,526.74/358,819.87
  6. Step 6: Final answer
    x = 505,347.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.