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Finding the Fourth Proportional to 1,061.93, 1,592.85 and 331.51

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Solution

The fourth proportional to 1,061.93, 1,592.85 and 331.51 is: 497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061.93 : 1,592.85 = 331.51 : x
  2. Step 2: Convert to fraction form
    1,061.93/1,592.85 = 331.51/x
  3. Step 3: Cross multiply
    1,061.93x = 1,592.85 × 331.51
  4. Step 4: Simplify right side
    1,061.93x = 528,045.70
  5. Step 5: Solve for x
    x = 528,045.70/1,061.93
  6. Step 6: Final answer
    x = 497.25

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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.