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Finding the Fourth Proportional to 1,152.23, 1,726.97 and 597.20

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Solution

The fourth proportional to 1,152.23, 1,726.97 and 597.20 is: 895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152.23 : 1,726.97 = 597.20 : x
  2. Step 2: Convert to fraction form
    1,152.23/1,726.97 = 597.20/x
  3. Step 3: Cross multiply
    1,152.23x = 1,726.97 × 597.20
  4. Step 4: Simplify right side
    1,152.23x = 1,031,334.86
  5. Step 5: Solve for x
    x = 1,031,334.86/1,152.23
  6. Step 6: Final answer
    x = 895.08

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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.