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Finding the Fourth Proportional to 539,860.06, 745,006.95 and 301,396.06

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Solution

The fourth proportional to 539,860.06, 745,006.95 and 301,396.06 is: 415,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,860.06 : 745,006.95 = 301,396.06 : x
  2. Step 2: Convert to fraction form
    539,860.06/745,006.95 = 301,396.06/x
  3. Step 3: Cross multiply
    539,860.06x = 745,006.95 × 301,396.06
  4. Step 4: Simplify right side
    539,860.06x = 224,542,159,402.62
  5. Step 5: Solve for x
    x = 224,542,159,402.62/539,860.06
  6. Step 6: Final answer
    x = 415,926.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.