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Finding the Fourth Proportional to 359,265.80, 538,898.70 and 303,969.80

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Solution

The fourth proportional to 359,265.80, 538,898.70 and 303,969.80 is: 455,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,265.80 : 538,898.70 = 303,969.80 : x
  2. Step 2: Convert to fraction form
    359,265.80/538,898.70 = 303,969.80/x
  3. Step 3: Cross multiply
    359,265.80x = 538,898.70 × 303,969.80
  4. Step 4: Simplify right side
    359,265.80x = 163,808,930,059.26
  5. Step 5: Solve for x
    x = 163,808,930,059.26/359,265.80
  6. Step 6: Final answer
    x = 455,954.70

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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.