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Finding the Fourth Proportional to 579,443.94, 869,290.47 and 195,230.98

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Solution

The fourth proportional to 579,443.94, 869,290.47 and 195,230.98 is: 292,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,443.94 : 869,290.47 = 195,230.98 : x
  2. Step 2: Convert to fraction form
    579,443.94/869,290.47 = 195,230.98/x
  3. Step 3: Cross multiply
    579,443.94x = 869,290.47 × 195,230.98
  4. Step 4: Simplify right side
    579,443.94x = 169,712,433,619.71
  5. Step 5: Solve for x
    x = 169,712,433,619.71/579,443.94
  6. Step 6: Final answer
    x = 292,888.44

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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.