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Finding the Fourth Proportional to 1,073.83, 1,482.02 and 607.99

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Solution

The fourth proportional to 1,073.83, 1,482.02 and 607.99 is: 839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073.83 : 1,482.02 = 607.99 : x
  2. Step 2: Convert to fraction form
    1,073.83/1,482.02 = 607.99/x
  3. Step 3: Cross multiply
    1,073.83x = 1,482.02 × 607.99
  4. Step 4: Simplify right side
    1,073.83x = 901,053.34
  5. Step 5: Solve for x
    x = 901,053.34/1,073.83
  6. Step 6: Final answer
    x = 839.10

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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.