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Finding the Fourth Proportional to 992,596.30, 1,488,894.45 and 950,605.90

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Solution

The fourth proportional to 992,596.30, 1,488,894.45 and 950,605.90 is: 1,425,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,596.30 : 1,488,894.45 = 950,605.90 : x
  2. Step 2: Convert to fraction form
    992,596.30/1,488,894.45 = 950,605.90/x
  3. Step 3: Cross multiply
    992,596.30x = 1,488,894.45 × 950,605.90
  4. Step 4: Simplify right side
    992,596.30x = 1,415,351,848,647.26
  5. Step 5: Solve for x
    x = 1,415,351,848,647.26/992,596.30
  6. Step 6: Final answer
    x = 1,425,908.85

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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.