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Finding the Fourth Proportional to 584,668.88, 807,089.19 and 355,299.97

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Solution

The fourth proportional to 584,668.88, 807,089.19 and 355,299.97 is: 490,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,668.88 : 807,089.19 = 355,299.97 : x
  2. Step 2: Convert to fraction form
    584,668.88/807,089.19 = 355,299.97/x
  3. Step 3: Cross multiply
    584,668.88x = 807,089.19 × 355,299.97
  4. Step 4: Simplify right side
    584,668.88x = 286,758,764,156.80
  5. Step 5: Solve for x
    x = 286,758,764,156.80/584,668.88
  6. Step 6: Final answer
    x = 490,463.53

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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.