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Finding the Fourth Proportional to 956.04, 1,319.35 and 536.49

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Solution

The fourth proportional to 956.04, 1,319.35 and 536.49 is: 740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.04 : 1,319.35 = 536.49 : x
  2. Step 2: Convert to fraction form
    956.04/1,319.35 = 536.49/x
  3. Step 3: Cross multiply
    956.04x = 1,319.35 × 536.49
  4. Step 4: Simplify right side
    956.04x = 707,818.08
  5. Step 5: Solve for x
    x = 707,818.08/956.04
  6. Step 6: Final answer
    x = 740.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.