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Finding the Fourth Proportional to 316,901.34, 475,032.15 and 198,655.73

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Solution

The fourth proportional to 316,901.34, 475,032.15 and 198,655.73 is: 297,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,901.34 : 475,032.15 = 198,655.73 : x
  2. Step 2: Convert to fraction form
    316,901.34/475,032.15 = 198,655.73/x
  3. Step 3: Cross multiply
    316,901.34x = 475,032.15 × 198,655.73
  4. Step 4: Simplify right side
    316,901.34x = 94,367,856,156.56
  5. Step 5: Solve for x
    x = 94,367,856,156.56/316,901.34
  6. Step 6: Final answer
    x = 297,783.08

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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.