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Finding the Fourth Proportional to 388,950.39, 583,425.57 and 93,462.39

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Solution

The fourth proportional to 388,950.39, 583,425.57 and 93,462.39 is: 140,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,950.39 : 583,425.57 = 93,462.39 : x
  2. Step 2: Convert to fraction form
    388,950.39/583,425.57 = 93,462.39/x
  3. Step 3: Cross multiply
    388,950.39x = 583,425.57 × 93,462.39
  4. Step 4: Simplify right side
    388,950.39x = 54,528,348,159.31
  5. Step 5: Solve for x
    x = 54,528,348,159.31/388,950.39
  6. Step 6: Final answer
    x = 140,193.58

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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.