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Finding the Fourth Proportional to 549,815.72, 758,744.52 and 334,955.64

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Solution

The fourth proportional to 549,815.72, 758,744.52 and 334,955.64 is: 462,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,815.72 : 758,744.52 = 334,955.64 : x
  2. Step 2: Convert to fraction form
    549,815.72/758,744.52 = 334,955.64/x
  3. Step 3: Cross multiply
    549,815.72x = 758,744.52 × 334,955.64
  4. Step 4: Simplify right side
    549,815.72x = 254,145,756,293.09
  5. Step 5: Solve for x
    x = 254,145,756,293.09/549,815.72
  6. Step 6: Final answer
    x = 462,238.07

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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.