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Finding the Fourth Proportional to 265,143.60, 397,715.40 and 236,113.20

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Solution

The fourth proportional to 265,143.60, 397,715.40 and 236,113.20 is: 354,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,143.60 : 397,715.40 = 236,113.20 : x
  2. Step 2: Convert to fraction form
    265,143.60/397,715.40 = 236,113.20/x
  3. Step 3: Cross multiply
    265,143.60x = 397,715.40 × 236,113.20
  4. Step 4: Simplify right side
    265,143.60x = 93,905,855,783.28
  5. Step 5: Solve for x
    x = 93,905,855,783.28/265,143.60
  6. Step 6: Final answer
    x = 354,169.80

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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.