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Finding the Fourth Proportional to 531,407.20, 797,266.08 and 171,569.60

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Solution

The fourth proportional to 531,407.20, 797,266.08 and 171,569.60 is: 257,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,407.20 : 797,266.08 = 171,569.60 : x
  2. Step 2: Convert to fraction form
    531,407.20/797,266.08 = 171,569.60/x
  3. Step 3: Cross multiply
    531,407.20x = 797,266.08 × 171,569.60
  4. Step 4: Simplify right side
    531,407.20x = 136,786,622,439.17
  5. Step 5: Solve for x
    x = 136,786,622,439.17/531,407.20
  6. Step 6: Final answer
    x = 257,404.53

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1.5x scale

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.