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Finding the Fourth Proportional to 1,152.33, 1,590.27 and 655.02

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Solution

The fourth proportional to 1,152.33, 1,590.27 and 655.02 is: 903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152.33 : 1,590.27 = 655.02 : x
  2. Step 2: Convert to fraction form
    1,152.33/1,590.27 = 655.02/x
  3. Step 3: Cross multiply
    1,152.33x = 1,590.27 × 655.02
  4. Step 4: Simplify right side
    1,152.33x = 1,041,656.20
  5. Step 5: Solve for x
    x = 1,041,656.20/1,152.33
  6. Step 6: Final answer
    x = 903.96

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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.