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Finding the Fourth Proportional to 549,094.51, 757,766.25 and 307,375.66

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Solution

The fourth proportional to 549,094.51, 757,766.25 and 307,375.66 is: 424,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,094.51 : 757,766.25 = 307,375.66 : x
  2. Step 2: Convert to fraction form
    549,094.51/757,766.25 = 307,375.66/x
  3. Step 3: Cross multiply
    549,094.51x = 757,766.25 × 307,375.66
  4. Step 4: Simplify right side
    549,094.51x = 232,918,901,219.48
  5. Step 5: Solve for x
    x = 232,918,901,219.48/549,094.51
  6. Step 6: Final answer
    x = 424,187.27

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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.