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Finding the Fourth Proportional to 323,835.70, 485,753.55 and 235,707.70

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Solution

The fourth proportional to 323,835.70, 485,753.55 and 235,707.70 is: 353,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,835.70 : 485,753.55 = 235,707.70 : x
  2. Step 2: Convert to fraction form
    323,835.70/485,753.55 = 235,707.70/x
  3. Step 3: Cross multiply
    323,835.70x = 485,753.55 × 235,707.70
  4. Step 4: Simplify right side
    323,835.70x = 114,495,852,037.34
  5. Step 5: Solve for x
    x = 114,495,852,037.34/323,835.70
  6. Step 6: Final answer
    x = 353,561.55

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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.