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Finding the Fourth Proportional to 549,573.82, 758,398.30 and 307,854.83

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Solution

The fourth proportional to 549,573.82, 758,398.30 and 307,854.83 is: 424,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,573.82 : 758,398.30 = 307,854.83 : x
  2. Step 2: Convert to fraction form
    549,573.82/758,398.30 = 307,854.83/x
  3. Step 3: Cross multiply
    549,573.82x = 758,398.30 × 307,854.83
  4. Step 4: Simplify right side
    549,573.82x = 233,476,578,179.52
  5. Step 5: Solve for x
    x = 233,476,578,179.52/549,573.82
  6. Step 6: Final answer
    x = 424,832.06

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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.