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Finding the Fourth Proportional to 1,133.86, 1,700.01 and 508.92

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Solution

The fourth proportional to 1,133.86, 1,700.01 and 508.92 is: 763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.86 : 1,700.01 = 508.92 : x
  2. Step 2: Convert to fraction form
    1,133.86/1,700.01 = 508.92/x
  3. Step 3: Cross multiply
    1,133.86x = 1,700.01 × 508.92
  4. Step 4: Simplify right side
    1,133.86x = 865,169.09
  5. Step 5: Solve for x
    x = 865,169.09/1,133.86
  6. Step 6: Final answer
    x = 763.03

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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.