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Finding the Fourth Proportional to 549,010.66, 757,634.49 and 307,293.17

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Solution

The fourth proportional to 549,010.66, 757,634.49 and 307,293.17 is: 424,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,010.66 : 757,634.49 = 307,293.17 : x
  2. Step 2: Convert to fraction form
    549,010.66/757,634.49 = 307,293.17/x
  3. Step 3: Cross multiply
    549,010.66x = 757,634.49 × 307,293.17
  4. Step 4: Simplify right side
    549,010.66x = 232,815,900,345.26
  5. Step 5: Solve for x
    x = 232,815,900,345.26/549,010.66
  6. Step 6: Final answer
    x = 424,064.45

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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.