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Finding the Fourth Proportional to 700.74, 967.77 and 545.24

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Solution

The fourth proportional to 700.74, 967.77 and 545.24 is: 753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.74 : 967.77 = 545.24 : x
  2. Step 2: Convert to fraction form
    700.74/967.77 = 545.24/x
  3. Step 3: Cross multiply
    700.74x = 967.77 × 545.24
  4. Step 4: Simplify right side
    700.74x = 527,666.91
  5. Step 5: Solve for x
    x = 527,666.91/700.74
  6. Step 6: Final answer
    x = 753.01

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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.