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Finding the Fourth Proportional to 389,304.16, 583,954.96 and 93,816.16

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Solution

The fourth proportional to 389,304.16, 583,954.96 and 93,816.16 is: 140,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,304.16 : 583,954.96 = 93,816.16 : x
  2. Step 2: Convert to fraction form
    389,304.16/583,954.96 = 93,816.16/x
  3. Step 3: Cross multiply
    389,304.16x = 583,954.96 × 93,816.16
  4. Step 4: Simplify right side
    389,304.16x = 54,784,411,960.15
  5. Step 5: Solve for x
    x = 54,784,411,960.15/389,304.16
  6. Step 6: Final answer
    x = 140,723.93

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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.