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Finding the Fourth Proportional to 935.51, 1,403.58 and 524.93

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Solution

The fourth proportional to 935.51, 1,403.58 and 524.93 is: 787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.51 : 1,403.58 = 524.93 : x
  2. Step 2: Convert to fraction form
    935.51/1,403.58 = 524.93/x
  3. Step 3: Cross multiply
    935.51x = 1,403.58 × 524.93
  4. Step 4: Simplify right side
    935.51x = 736,781.25
  5. Step 5: Solve for x
    x = 736,781.25/935.51
  6. Step 6: Final answer
    x = 787.57

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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.