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Finding the Fourth Proportional to 700.75, 967.58 and 554.14

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Solution

The fourth proportional to 700.75, 967.58 and 554.14 is: 765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.75 : 967.58 = 554.14 : x
  2. Step 2: Convert to fraction form
    700.75/967.58 = 554.14/x
  3. Step 3: Cross multiply
    700.75x = 967.58 × 554.14
  4. Step 4: Simplify right side
    700.75x = 536,174.78
  5. Step 5: Solve for x
    x = 536,174.78/700.75
  6. Step 6: Final answer
    x = 765.14

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Find fourth proportional to 350.38, 483.79 and 277.07
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Double scale
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1.5x scale

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.