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Finding the Fourth Proportional to 493,897.68, 740,841.12 and 119,921.04

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Solution

The fourth proportional to 493,897.68, 740,841.12 and 119,921.04 is: 179,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,897.68 : 740,841.12 = 119,921.04 : x
  2. Step 2: Convert to fraction form
    493,897.68/740,841.12 = 119,921.04/x
  3. Step 3: Cross multiply
    493,897.68x = 740,841.12 × 119,921.04
  4. Step 4: Simplify right side
    493,897.68x = 88,842,437,585.16
  5. Step 5: Solve for x
    x = 88,842,437,585.16/493,897.68
  6. Step 6: Final answer
    x = 179,880.25

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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.