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Finding the Fourth Proportional to 530,849.60, 796,274.40 and 342,843.20

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Solution

The fourth proportional to 530,849.60, 796,274.40 and 342,843.20 is: 514,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,849.60 : 796,274.40 = 342,843.20 : x
  2. Step 2: Convert to fraction form
    530,849.60/796,274.40 = 342,843.20/x
  3. Step 3: Cross multiply
    530,849.60x = 796,274.40 × 342,843.20
  4. Step 4: Simplify right side
    530,849.60x = 272,997,263,374.08
  5. Step 5: Solve for x
    x = 272,997,263,374.08/530,849.60
  6. Step 6: Final answer
    x = 514,264.80

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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.