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Finding the Fourth Proportional to 460,036.34, 634,805.62 and 339,242.66

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Solution

The fourth proportional to 460,036.34, 634,805.62 and 339,242.66 is: 468,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,036.34 : 634,805.62 = 339,242.66 : x
  2. Step 2: Convert to fraction form
    460,036.34/634,805.62 = 339,242.66/x
  3. Step 3: Cross multiply
    460,036.34x = 634,805.62 × 339,242.66
  4. Step 4: Simplify right side
    460,036.34x = 215,353,143,937.72
  5. Step 5: Solve for x
    x = 215,353,143,937.72/460,036.34
  6. Step 6: Final answer
    x = 468,122.03

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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.