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Finding the Fourth Proportional to 316,632.60, 473,912.10 and 246,130.20

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Solution

The fourth proportional to 316,632.60, 473,912.10 and 246,130.20 is: 368,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,632.60 : 473,912.10 = 246,130.20 : x
  2. Step 2: Convert to fraction form
    316,632.60/473,912.10 = 246,130.20/x
  3. Step 3: Cross multiply
    316,632.60x = 473,912.10 × 246,130.20
  4. Step 4: Simplify right side
    316,632.60x = 116,644,079,955.42
  5. Step 5: Solve for x
    x = 116,644,079,955.42/316,632.60
  6. Step 6: Final answer
    x = 368,389.36

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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.