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Finding the Fourth Proportional to 557,323.84, 769,425.71 and 366,890.82

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Solution

The fourth proportional to 557,323.84, 769,425.71 and 366,890.82 is: 506,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,323.84 : 769,425.71 = 366,890.82 : x
  2. Step 2: Convert to fraction form
    557,323.84/769,425.71 = 366,890.82/x
  3. Step 3: Cross multiply
    557,323.84x = 769,425.71 × 366,890.82
  4. Step 4: Simplify right side
    557,323.84x = 282,295,229,670.98
  5. Step 5: Solve for x
    x = 282,295,229,670.98/557,323.84
  6. Step 6: Final answer
    x = 506,519.21

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1.5x scale

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.