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Finding the Fourth Proportional to 1,156.52, 1,734.51 and 570.92

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Solution

The fourth proportional to 1,156.52, 1,734.51 and 570.92 is: 856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.52 : 1,734.51 = 570.92 : x
  2. Step 2: Convert to fraction form
    1,156.52/1,734.51 = 570.92/x
  3. Step 3: Cross multiply
    1,156.52x = 1,734.51 × 570.92
  4. Step 4: Simplify right side
    1,156.52x = 990,266.45
  5. Step 5: Solve for x
    x = 990,266.45/1,156.52
  6. Step 6: Final answer
    x = 856.25

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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.