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Finding the Fourth Proportional to 750.03, 1,035.98 and 529.97

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Solution

The fourth proportional to 750.03, 1,035.98 and 529.97 is: 732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.03 : 1,035.98 = 529.97 : x
  2. Step 2: Convert to fraction form
    750.03/1,035.98 = 529.97/x
  3. Step 3: Cross multiply
    750.03x = 1,035.98 × 529.97
  4. Step 4: Simplify right side
    750.03x = 549,034.65
  5. Step 5: Solve for x
    x = 549,034.65/750.03
  6. Step 6: Final answer
    x = 732.01

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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.