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Finding the Fourth Proportional to 531.64, 793.93 and 525.93

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Solution

The fourth proportional to 531.64, 793.93 and 525.93 is: 785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.64 : 793.93 = 525.93 : x
  2. Step 2: Convert to fraction form
    531.64/793.93 = 525.93/x
  3. Step 3: Cross multiply
    531.64x = 793.93 × 525.93
  4. Step 4: Simplify right side
    531.64x = 417,551.60
  5. Step 5: Solve for x
    x = 417,551.60/531.64
  6. Step 6: Final answer
    x = 785.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.