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Finding the Fourth Proportional to 1,058.76, 1,588.94 and 473.54

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Solution

The fourth proportional to 1,058.76, 1,588.94 and 473.54 is: 710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.76 : 1,588.94 = 473.54 : x
  2. Step 2: Convert to fraction form
    1,058.76/1,588.94 = 473.54/x
  3. Step 3: Cross multiply
    1,058.76x = 1,588.94 × 473.54
  4. Step 4: Simplify right side
    1,058.76x = 752,416.34
  5. Step 5: Solve for x
    x = 752,416.34/1,058.76
  6. Step 6: Final answer
    x = 710.66

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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.