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Finding the Fourth Proportional to 296,700.80, 445,051.20 and 202,697.60

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Solution

The fourth proportional to 296,700.80, 445,051.20 and 202,697.60 is: 304,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,700.80 : 445,051.20 = 202,697.60 : x
  2. Step 2: Convert to fraction form
    296,700.80/445,051.20 = 202,697.60/x
  3. Step 3: Cross multiply
    296,700.80x = 445,051.20 × 202,697.60
  4. Step 4: Simplify right side
    296,700.80x = 90,210,810,117.12
  5. Step 5: Solve for x
    x = 90,210,810,117.12/296,700.80
  6. Step 6: Final answer
    x = 304,046.40

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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.