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Finding the Fourth Proportional to 531,435.42, 797,017.05 and 157,370.94

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Solution

The fourth proportional to 531,435.42, 797,017.05 and 157,370.94 is: 236,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,435.42 : 797,017.05 = 157,370.94 : x
  2. Step 2: Convert to fraction form
    531,435.42/797,017.05 = 157,370.94/x
  3. Step 3: Cross multiply
    531,435.42x = 797,017.05 × 157,370.94
  4. Step 4: Simplify right side
    531,435.42x = 125,427,322,354.53
  5. Step 5: Solve for x
    x = 125,427,322,354.53/531,435.42
  6. Step 6: Final answer
    x = 236,016.11

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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.