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Finding the Fourth Proportional to 576,810.60, 864,870.30 and 296,874.60

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Solution

The fourth proportional to 576,810.60, 864,870.30 and 296,874.60 is: 445,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,810.60 : 864,870.30 = 296,874.60 : x
  2. Step 2: Convert to fraction form
    576,810.60/864,870.30 = 296,874.60/x
  3. Step 3: Cross multiply
    576,810.60x = 864,870.30 × 296,874.60
  4. Step 4: Simplify right side
    576,810.60x = 256,758,024,364.38
  5. Step 5: Solve for x
    x = 256,758,024,364.38/576,810.60
  6. Step 6: Final answer
    x = 445,134.03

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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.