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Finding the Fourth Proportional to 531,272.62, 796,613.64 and 215,360.47

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Solution

The fourth proportional to 531,272.62, 796,613.64 and 215,360.47 is: 322,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,272.62 : 796,613.64 = 215,360.47 : x
  2. Step 2: Convert to fraction form
    531,272.62/796,613.64 = 215,360.47/x
  3. Step 3: Cross multiply
    531,272.62x = 796,613.64 × 215,360.47
  4. Step 4: Simplify right side
    531,272.62x = 171,559,088,106.98
  5. Step 5: Solve for x
    x = 171,559,088,106.98/531,272.62
  6. Step 6: Final answer
    x = 322,921.00

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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.