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Finding the Fourth Proportional to 706.04, 1,058.99 and 316.06

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Solution

The fourth proportional to 706.04, 1,058.99 and 316.06 is: 474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.04 : 1,058.99 = 316.06 : x
  2. Step 2: Convert to fraction form
    706.04/1,058.99 = 316.06/x
  3. Step 3: Cross multiply
    706.04x = 1,058.99 × 316.06
  4. Step 4: Simplify right side
    706.04x = 334,697.50
  5. Step 5: Solve for x
    x = 334,697.50/706.04
  6. Step 6: Final answer
    x = 474.05

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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.