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Finding the Fourth Proportional to 359,581.73, 536,425.40 and 349,807.89

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Solution

The fourth proportional to 359,581.73, 536,425.40 and 349,807.89 is: 521,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,581.73 : 536,425.40 = 349,807.89 : x
  2. Step 2: Convert to fraction form
    359,581.73/536,425.40 = 349,807.89/x
  3. Step 3: Cross multiply
    359,581.73x = 536,425.40 × 349,807.89
  4. Step 4: Simplify right side
    359,581.73x = 187,645,837,316.41
  5. Step 5: Solve for x
    x = 187,645,837,316.41/359,581.73
  6. Step 6: Final answer
    x = 521,844.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.