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Finding the Fourth Proportional to 328,561.40, 492,767.76 and 150,897.62

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Solution

The fourth proportional to 328,561.40, 492,767.76 and 150,897.62 is: 226,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,561.40 : 492,767.76 = 150,897.62 : x
  2. Step 2: Convert to fraction form
    328,561.40/492,767.76 = 150,897.62/x
  3. Step 3: Cross multiply
    328,561.40x = 492,767.76 × 150,897.62
  4. Step 4: Simplify right side
    328,561.40x = 74,357,482,196.73
  5. Step 5: Solve for x
    x = 74,357,482,196.73/328,561.40
  6. Step 6: Final answer
    x = 226,312.29

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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.