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Finding the Fourth Proportional to 336,235.20, 463,989.60 and 185,323.20

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Solution

The fourth proportional to 336,235.20, 463,989.60 and 185,323.20 is: 255,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,235.20 : 463,989.60 = 185,323.20 : x
  2. Step 2: Convert to fraction form
    336,235.20/463,989.60 = 185,323.20/x
  3. Step 3: Cross multiply
    336,235.20x = 463,989.60 × 185,323.20
  4. Step 4: Simplify right side
    336,235.20x = 85,988,037,438.72
  5. Step 5: Solve for x
    x = 85,988,037,438.72/336,235.20
  6. Step 6: Final answer
    x = 255,737.76

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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.