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Finding the Fourth Proportional to 333,041.80, 499,562.70 and 198,322.60

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Solution

The fourth proportional to 333,041.80, 499,562.70 and 198,322.60 is: 297,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,041.80 : 499,562.70 = 198,322.60 : x
  2. Step 2: Convert to fraction form
    333,041.80/499,562.70 = 198,322.60/x
  3. Step 3: Cross multiply
    333,041.80x = 499,562.70 × 198,322.60
  4. Step 4: Simplify right side
    333,041.80x = 99,074,573,527.02
  5. Step 5: Solve for x
    x = 99,074,573,527.02/333,041.80
  6. Step 6: Final answer
    x = 297,483.90

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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.