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Finding the Fourth Proportional to 1,295.39, 1,943.26 and 473.51

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Solution

The fourth proportional to 1,295.39, 1,943.26 and 473.51 is: 710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.39 : 1,943.26 = 473.51 : x
  2. Step 2: Convert to fraction form
    1,295.39/1,943.26 = 473.51/x
  3. Step 3: Cross multiply
    1,295.39x = 1,943.26 × 473.51
  4. Step 4: Simplify right side
    1,295.39x = 920,156.72
  5. Step 5: Solve for x
    x = 920,156.72/1,295.39
  6. Step 6: Final answer
    x = 710.33

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Double scale
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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.