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Finding the Fourth Proportional to 328,056.94, 452,728.16 and 192,078.16

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Solution

The fourth proportional to 328,056.94, 452,728.16 and 192,078.16 is: 265,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,056.94 : 452,728.16 = 192,078.16 : x
  2. Step 2: Convert to fraction form
    328,056.94/452,728.16 = 192,078.16/x
  3. Step 3: Cross multiply
    328,056.94x = 452,728.16 × 192,078.16
  4. Step 4: Simplify right side
    328,056.94x = 86,959,189,689.34
  5. Step 5: Solve for x
    x = 86,959,189,689.34/328,056.94
  6. Step 6: Final answer
    x = 265,073.47

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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.