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Finding the Fourth Proportional to 584,978.67, 877,357.04 and 285,157.71

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Solution

The fourth proportional to 584,978.67, 877,357.04 and 285,157.71 is: 427,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,978.67 : 877,357.04 = 285,157.71 : x
  2. Step 2: Convert to fraction form
    584,978.67/877,357.04 = 285,157.71/x
  3. Step 3: Cross multiply
    584,978.67x = 877,357.04 × 285,157.71
  4. Step 4: Simplify right side
    584,978.67x = 250,185,122,952.99
  5. Step 5: Solve for x
    x = 250,185,122,952.99/584,978.67
  6. Step 6: Final answer
    x = 427,682.47

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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.