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Finding the Fourth Proportional to 683,924.58, 943,796.61 and 382,118.58

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Solution

The fourth proportional to 683,924.58, 943,796.61 and 382,118.58 is: 527,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,924.58 : 943,796.61 = 382,118.58 : x
  2. Step 2: Convert to fraction form
    683,924.58/943,796.61 = 382,118.58/x
  3. Step 3: Cross multiply
    683,924.58x = 943,796.61 × 382,118.58
  4. Step 4: Simplify right side
    683,924.58x = 360,642,220,422.01
  5. Step 5: Solve for x
    x = 360,642,220,422.01/683,924.58
  6. Step 6: Final answer
    x = 527,312.85

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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.