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Finding the Fourth Proportional to 367,656.59, 551,312.65 and 154,378.98

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Solution

The fourth proportional to 367,656.59, 551,312.65 and 154,378.98 is: 231,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,656.59 : 551,312.65 = 154,378.98 : x
  2. Step 2: Convert to fraction form
    367,656.59/551,312.65 = 154,378.98/x
  3. Step 3: Cross multiply
    367,656.59x = 551,312.65 × 154,378.98
  4. Step 4: Simplify right side
    367,656.59x = 85,111,084,568.10
  5. Step 5: Solve for x
    x = 85,111,084,568.10/367,656.59
  6. Step 6: Final answer
    x = 231,496.15

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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.