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Finding the Fourth Proportional to 329,303.16, 454,439.10 and 178,400.16

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Solution

The fourth proportional to 329,303.16, 454,439.10 and 178,400.16 is: 246,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,303.16 : 454,439.10 = 178,400.16 : x
  2. Step 2: Convert to fraction form
    329,303.16/454,439.10 = 178,400.16/x
  3. Step 3: Cross multiply
    329,303.16x = 454,439.10 × 178,400.16
  4. Step 4: Simplify right side
    329,303.16x = 81,072,008,150.26
  5. Step 5: Solve for x
    x = 81,072,008,150.26/329,303.16
  6. Step 6: Final answer
    x = 246,192.62

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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.