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Finding the Fourth Proportional to 388,841.40, 583,262.06 and 93,353.40

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Solution

The fourth proportional to 388,841.40, 583,262.06 and 93,353.40 is: 140,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,841.40 : 583,262.06 = 93,353.40 : x
  2. Step 2: Convert to fraction form
    388,841.40/583,262.06 = 93,353.40/x
  3. Step 3: Cross multiply
    388,841.40x = 583,262.06 × 93,353.40
  4. Step 4: Simplify right side
    388,841.40x = 54,449,496,392.00
  5. Step 5: Solve for x
    x = 54,449,496,392.00/388,841.40
  6. Step 6: Final answer
    x = 140,030.09

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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.