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Finding the Fourth Proportional to 397,025.61, 547,673.58 and 243,957.48

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Solution

The fourth proportional to 397,025.61, 547,673.58 and 243,957.48 is: 336,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,025.61 : 547,673.58 = 243,957.48 : x
  2. Step 2: Convert to fraction form
    397,025.61/547,673.58 = 243,957.48/x
  3. Step 3: Cross multiply
    397,025.61x = 547,673.58 × 243,957.48
  4. Step 4: Simplify right side
    397,025.61x = 133,609,066,439.38
  5. Step 5: Solve for x
    x = 133,609,066,439.38/397,025.61
  6. Step 6: Final answer
    x = 336,525.06

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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.