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Finding the Fourth Proportional to 549,287.88, 757,886.58 and 334,425.48

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Solution

The fourth proportional to 549,287.88, 757,886.58 and 334,425.48 is: 461,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,287.88 : 757,886.58 = 334,425.48 : x
  2. Step 2: Convert to fraction form
    549,287.88/757,886.58 = 334,425.48/x
  3. Step 3: Cross multiply
    549,287.88x = 757,886.58 × 334,425.48
  4. Step 4: Simplify right side
    549,287.88x = 253,456,583,302.06
  5. Step 5: Solve for x
    x = 253,456,583,302.06/549,287.88
  6. Step 6: Final answer
    x = 461,427.59

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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.