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Finding the Fourth Proportional to 671,114.48, 926,149.07 and 365,203.76

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Solution

The fourth proportional to 671,114.48, 926,149.07 and 365,203.76 is: 503,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,114.48 : 926,149.07 = 365,203.76 : x
  2. Step 2: Convert to fraction form
    671,114.48/926,149.07 = 365,203.76/x
  3. Step 3: Cross multiply
    671,114.48x = 926,149.07 × 365,203.76
  4. Step 4: Simplify right side
    671,114.48x = 338,233,118,966.77
  5. Step 5: Solve for x
    x = 338,233,118,966.77/671,114.48
  6. Step 6: Final answer
    x = 503,987.22

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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.