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Finding the Fourth Proportional to 571,039.04, 857,794.56 and 371,256.68

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Solution

The fourth proportional to 571,039.04, 857,794.56 and 371,256.68 is: 557,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,039.04 : 857,794.56 = 371,256.68 : x
  2. Step 2: Convert to fraction form
    571,039.04/857,794.56 = 371,256.68/x
  3. Step 3: Cross multiply
    571,039.04x = 857,794.56 × 371,256.68
  4. Step 4: Simplify right side
    571,039.04x = 318,461,960,467.66
  5. Step 5: Solve for x
    x = 318,461,960,467.66/571,039.04
  6. Step 6: Final answer
    x = 557,688.60

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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.