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Finding the Fourth Proportional to 388,950.40, 583,425.60 and 93,462.40

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Solution

The fourth proportional to 388,950.40, 583,425.60 and 93,462.40 is: 140,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,950.40 : 583,425.60 = 93,462.40 : x
  2. Step 2: Convert to fraction form
    388,950.40/583,425.60 = 93,462.40/x
  3. Step 3: Cross multiply
    388,950.40x = 583,425.60 × 93,462.40
  4. Step 4: Simplify right side
    388,950.40x = 54,528,356,797.44
  5. Step 5: Solve for x
    x = 54,528,356,797.44/388,950.40
  6. Step 6: Final answer
    x = 140,193.60

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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.