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Finding the Fourth Proportional to 364,058.61, 546,333.84 and 127,403.34

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Solution

The fourth proportional to 364,058.61, 546,333.84 and 127,403.34 is: 191,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,058.61 : 546,333.84 = 127,403.34 : x
  2. Step 2: Convert to fraction form
    364,058.61/546,333.84 = 127,403.34/x
  3. Step 3: Cross multiply
    364,058.61x = 546,333.84 × 127,403.34
  4. Step 4: Simplify right side
    364,058.61x = 69,604,755,971.03
  5. Step 5: Solve for x
    x = 69,604,755,971.03/364,058.61
  6. Step 6: Final answer
    x = 191,191.07

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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.