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Finding the Fourth Proportional to 1,156.03, 1,595.66 and 658.94

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Solution

The fourth proportional to 1,156.03, 1,595.66 and 658.94 is: 909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.03 : 1,595.66 = 658.94 : x
  2. Step 2: Convert to fraction form
    1,156.03/1,595.66 = 658.94/x
  3. Step 3: Cross multiply
    1,156.03x = 1,595.66 × 658.94
  4. Step 4: Simplify right side
    1,156.03x = 1,051,436.92
  5. Step 5: Solve for x
    x = 1,051,436.92/1,156.03
  6. Step 6: Final answer
    x = 909.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.