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Finding the Fourth Proportional to 360,255.60, 497,156.40 and 196,916.76

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Solution

The fourth proportional to 360,255.60, 497,156.40 and 196,916.76 is: 271,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,255.60 : 497,156.40 = 196,916.76 : x
  2. Step 2: Convert to fraction form
    360,255.60/497,156.40 = 196,916.76/x
  3. Step 3: Cross multiply
    360,255.60x = 497,156.40 × 196,916.76
  4. Step 4: Simplify right side
    360,255.60x = 97,898,427,501.26
  5. Step 5: Solve for x
    x = 97,898,427,501.26/360,255.60
  6. Step 6: Final answer
    x = 271,747.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.