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Finding the Fourth Proportional to 750.16, 1,124.02 and 587.36

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Solution

The fourth proportional to 750.16, 1,124.02 and 587.36 is: 880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.16 : 1,124.02 = 587.36 : x
  2. Step 2: Convert to fraction form
    750.16/1,124.02 = 587.36/x
  3. Step 3: Cross multiply
    750.16x = 1,124.02 × 587.36
  4. Step 4: Simplify right side
    750.16x = 660,204.39
  5. Step 5: Solve for x
    x = 660,204.39/750.16
  6. Step 6: Final answer
    x = 880.08

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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.