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Finding the Fourth Proportional to 602,058.78, 830,850.48 and 330,151.50

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Solution

The fourth proportional to 602,058.78, 830,850.48 and 330,151.50 is: 455,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,058.78 : 830,850.48 = 330,151.50 : x
  2. Step 2: Convert to fraction form
    602,058.78/830,850.48 = 330,151.50/x
  3. Step 3: Cross multiply
    602,058.78x = 830,850.48 × 330,151.50
  4. Step 4: Simplify right side
    602,058.78x = 274,306,532,247.72
  5. Step 5: Solve for x
    x = 274,306,532,247.72/602,058.78
  6. Step 6: Final answer
    x = 455,614.20

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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.