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Finding the Fourth Proportional to 359,376.60, 538,907.01 and 134,579.37

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Solution

The fourth proportional to 359,376.60, 538,907.01 and 134,579.37 is: 201,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,376.60 : 538,907.01 = 134,579.37 : x
  2. Step 2: Convert to fraction form
    359,376.60/538,907.01 = 134,579.37/x
  3. Step 3: Cross multiply
    359,376.60x = 538,907.01 × 134,579.37
  4. Step 4: Simplify right side
    359,376.60x = 72,525,765,894.38
  5. Step 5: Solve for x
    x = 72,525,765,894.38/359,376.60
  6. Step 6: Final answer
    x = 201,809.93

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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.