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Finding the Fourth Proportional to 531,050.51, 796,576.52 and 405,404.15

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Solution

The fourth proportional to 531,050.51, 796,576.52 and 405,404.15 is: 608,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,050.51 : 796,576.52 = 405,404.15 : x
  2. Step 2: Convert to fraction form
    531,050.51/796,576.52 = 405,404.15/x
  3. Step 3: Cross multiply
    531,050.51x = 796,576.52 × 405,404.15
  4. Step 4: Simplify right side
    531,050.51x = 322,935,424,031.19
  5. Step 5: Solve for x
    x = 322,935,424,031.19/531,050.51
  6. Step 6: Final answer
    x = 608,106.80

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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.