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Finding the Fourth Proportional to 336,878.19, 505,248.93 and 123,573.49

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Solution

The fourth proportional to 336,878.19, 505,248.93 and 123,573.49 is: 185,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,878.19 : 505,248.93 = 123,573.49 : x
  2. Step 2: Convert to fraction form
    336,878.19/505,248.93 = 123,573.49/x
  3. Step 3: Cross multiply
    336,878.19x = 505,248.93 × 123,573.49
  4. Step 4: Simplify right side
    336,878.19x = 62,435,372,335.74
  5. Step 5: Solve for x
    x = 62,435,372,335.74/336,878.19
  6. Step 6: Final answer
    x = 185,335.16

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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.