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Finding the Fourth Proportional to 1,592.79, 2,389.19 and 497.17

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Solution

The fourth proportional to 1,592.79, 2,389.19 and 497.17 is: 745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.79 : 2,389.19 = 497.17 : x
  2. Step 2: Convert to fraction form
    1,592.79/2,389.19 = 497.17/x
  3. Step 3: Cross multiply
    1,592.79x = 2,389.19 × 497.17
  4. Step 4: Simplify right side
    1,592.79x = 1,187,833.59
  5. Step 5: Solve for x
    x = 1,187,833.59/1,592.79
  6. Step 6: Final answer
    x = 745.76

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.