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Finding the Fourth Proportional to 577,575.30, 865,699.59 and 361,531.14

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Solution

The fourth proportional to 577,575.30, 865,699.59 and 361,531.14 is: 541,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,575.30 : 865,699.59 = 361,531.14 : x
  2. Step 2: Convert to fraction form
    577,575.30/865,699.59 = 361,531.14/x
  3. Step 3: Cross multiply
    577,575.30x = 865,699.59 × 361,531.14
  4. Step 4: Simplify right side
    577,575.30x = 312,977,359,670.23
  5. Step 5: Solve for x
    x = 312,977,359,670.23/577,575.30
  6. Step 6: Final answer
    x = 541,881.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.