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Finding the Fourth Proportional to 1,655.14, 2,482.69 and 500.89

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Solution

The fourth proportional to 1,655.14, 2,482.69 and 500.89 is: 751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.14 : 2,482.69 = 500.89 : x
  2. Step 2: Convert to fraction form
    1,655.14/2,482.69 = 500.89/x
  3. Step 3: Cross multiply
    1,655.14x = 2,482.69 × 500.89
  4. Step 4: Simplify right side
    1,655.14x = 1,243,554.59
  5. Step 5: Solve for x
    x = 1,243,554.59/1,655.14
  6. Step 6: Final answer
    x = 751.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.