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Finding the Fourth Proportional to 436,632.39, 602,551.80 and 245,646

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Solution

The fourth proportional to 436,632.39, 602,551.80 and 245,646 is: 338,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,632.39 : 602,551.80 = 245,646 : x
  2. Step 2: Convert to fraction form
    436,632.39/602,551.80 = 245,646/x
  3. Step 3: Cross multiply
    436,632.39x = 602,551.80 × 245,646
  4. Step 4: Simplify right side
    436,632.39x = 148,014,439,462.80
  5. Step 5: Solve for x
    x = 148,014,439,462.80/436,632.39
  6. Step 6: Final answer
    x = 338,990.97

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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.