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Finding the Fourth Proportional to 531,073.11, 796,615.19 and 425,130.53

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Solution

The fourth proportional to 531,073.11, 796,615.19 and 425,130.53 is: 637,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,073.11 : 796,615.19 = 425,130.53 : x
  2. Step 2: Convert to fraction form
    531,073.11/796,615.19 = 425,130.53/x
  3. Step 3: Cross multiply
    531,073.11x = 796,615.19 × 425,130.53
  4. Step 4: Simplify right side
    531,073.11x = 338,665,433,416.26
  5. Step 5: Solve for x
    x = 338,665,433,416.26/531,073.11
  6. Step 6: Final answer
    x = 637,700.21

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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.