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Finding the Fourth Proportional to 334,590.53, 501,590.15 and 256,055.36

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Solution

The fourth proportional to 334,590.53, 501,590.15 and 256,055.36 is: 383,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,590.53 : 501,590.15 = 256,055.36 : x
  2. Step 2: Convert to fraction form
    334,590.53/501,590.15 = 256,055.36/x
  3. Step 3: Cross multiply
    334,590.53x = 501,590.15 × 256,055.36
  4. Step 4: Simplify right side
    334,590.53x = 128,434,845,150.43
  5. Step 5: Solve for x
    x = 128,434,845,150.43/334,590.53
  6. Step 6: Final answer
    x = 383,856.79

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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.