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Finding the Fourth Proportional to 584,986.50, 877,368.78 and 285,165.54

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Solution

The fourth proportional to 584,986.50, 877,368.78 and 285,165.54 is: 427,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,986.50 : 877,368.78 = 285,165.54 : x
  2. Step 2: Convert to fraction form
    584,986.50/877,368.78 = 285,165.54/x
  3. Step 3: Cross multiply
    584,986.50x = 877,368.78 × 285,165.54
  4. Step 4: Simplify right side
    584,986.50x = 250,195,341,927.84
  5. Step 5: Solve for x
    x = 250,195,341,927.84/584,986.50
  6. Step 6: Final answer
    x = 427,694.22

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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.