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Finding the Fourth Proportional to 579,968.96, 869,677.34 and 238,359

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Solution

The fourth proportional to 579,968.96, 869,677.34 and 238,359 is: 357,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,968.96 : 869,677.34 = 238,359 : x
  2. Step 2: Convert to fraction form
    579,968.96/869,677.34 = 238,359/x
  3. Step 3: Cross multiply
    579,968.96x = 869,677.34 × 238,359
  4. Step 4: Simplify right side
    579,968.96x = 207,295,421,085.06
  5. Step 5: Solve for x
    x = 207,295,421,085.06/579,968.96
  6. Step 6: Final answer
    x = 357,425.03

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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.