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Finding the Fourth Proportional to 934.76, 1,400.75 and 524.02

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Solution

The fourth proportional to 934.76, 1,400.75 and 524.02 is: 785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.76 : 1,400.75 = 524.02 : x
  2. Step 2: Convert to fraction form
    934.76/1,400.75 = 524.02/x
  3. Step 3: Cross multiply
    934.76x = 1,400.75 × 524.02
  4. Step 4: Simplify right side
    934.76x = 734,018.82
  5. Step 5: Solve for x
    x = 734,018.82/934.76
  6. Step 6: Final answer
    x = 785.25

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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.