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Finding the Fourth Proportional to 584,761.98, 806,971.41 and 330,113.16

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Solution

The fourth proportional to 584,761.98, 806,971.41 and 330,113.16 is: 455,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,761.98 : 806,971.41 = 330,113.16 : x
  2. Step 2: Convert to fraction form
    584,761.98/806,971.41 = 330,113.16/x
  3. Step 3: Cross multiply
    584,761.98x = 806,971.41 × 330,113.16
  4. Step 4: Simplify right side
    584,761.98x = 266,391,882,184.76
  5. Step 5: Solve for x
    x = 266,391,882,184.76/584,761.98
  6. Step 6: Final answer
    x = 455,556.09

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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.