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Finding the Fourth Proportional to 773,488.69, 1,067,478.69 and 429,356.95

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Solution

The fourth proportional to 773,488.69, 1,067,478.69 and 429,356.95 is: 592,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,488.69 : 1,067,478.69 = 429,356.95 : x
  2. Step 2: Convert to fraction form
    773,488.69/1,067,478.69 = 429,356.95/x
  3. Step 3: Cross multiply
    773,488.69x = 1,067,478.69 × 429,356.95
  4. Step 4: Simplify right side
    773,488.69x = 458,329,394,528.40
  5. Step 5: Solve for x
    x = 458,329,394,528.40/773,488.69
  6. Step 6: Final answer
    x = 592,548.28

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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.