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Finding the Fourth Proportional to 1,058.33, 1,587.86 and 473.27

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Solution

The fourth proportional to 1,058.33, 1,587.86 and 473.27 is: 710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.33 : 1,587.86 = 473.27 : x
  2. Step 2: Convert to fraction form
    1,058.33/1,587.86 = 473.27/x
  3. Step 3: Cross multiply
    1,058.33x = 1,587.86 × 473.27
  4. Step 4: Simplify right side
    1,058.33x = 751,491.66
  5. Step 5: Solve for x
    x = 751,491.66/1,058.33
  6. Step 6: Final answer
    x = 710.08

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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.