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Finding the Fourth Proportional to 373,329.40, 559,994.10 and 221,770.30

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Solution

The fourth proportional to 373,329.40, 559,994.10 and 221,770.30 is: 332,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,329.40 : 559,994.10 = 221,770.30 : x
  2. Step 2: Convert to fraction form
    373,329.40/559,994.10 = 221,770.30/x
  3. Step 3: Cross multiply
    373,329.40x = 559,994.10 × 221,770.30
  4. Step 4: Simplify right side
    373,329.40x = 124,190,059,555.23
  5. Step 5: Solve for x
    x = 124,190,059,555.23/373,329.40
  6. Step 6: Final answer
    x = 332,655.45

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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.