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Finding the Fourth Proportional to 297,901.40, 446,852.10 and 171,930.20

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Solution

The fourth proportional to 297,901.40, 446,852.10 and 171,930.20 is: 257,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,901.40 : 446,852.10 = 171,930.20 : x
  2. Step 2: Convert to fraction form
    297,901.40/446,852.10 = 171,930.20/x
  3. Step 3: Cross multiply
    297,901.40x = 446,852.10 × 171,930.20
  4. Step 4: Simplify right side
    297,901.40x = 76,827,370,923.42
  5. Step 5: Solve for x
    x = 76,827,370,923.42/297,901.40
  6. Step 6: Final answer
    x = 257,895.30

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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.