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Finding the Fourth Proportional to 339,677.48, 509,527.56 and 152,689.52

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Solution

The fourth proportional to 339,677.48, 509,527.56 and 152,689.52 is: 229,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,677.48 : 509,527.56 = 152,689.52 : x
  2. Step 2: Convert to fraction form
    339,677.48/509,527.56 = 152,689.52/x
  3. Step 3: Cross multiply
    339,677.48x = 509,527.56 × 152,689.52
  4. Step 4: Simplify right side
    339,677.48x = 77,799,518,563.17
  5. Step 5: Solve for x
    x = 77,799,518,563.17/339,677.48
  6. Step 6: Final answer
    x = 229,039.38

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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.