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Finding the Fourth Proportional to 373,602, 515,570.76 and 239,466

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Solution

The fourth proportional to 373,602, 515,570.76 and 239,466 is: 330,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,602 : 515,570.76 = 239,466 : x
  2. Step 2: Convert to fraction form
    373,602/515,570.76 = 239,466/x
  3. Step 3: Cross multiply
    373,602x = 515,570.76 × 239,466
  4. Step 4: Simplify right side
    373,602x = 123,461,667,614.16
  5. Step 5: Solve for x
    x = 123,461,667,614.16/373,602
  6. Step 6: Final answer
    x = 330,463.08

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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.