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Finding the Fourth Proportional to 541,675.41, 812,209.21 and 371,089.81

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Solution

The fourth proportional to 541,675.41, 812,209.21 and 371,089.81 is: 556,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,675.41 : 812,209.21 = 371,089.81 : x
  2. Step 2: Convert to fraction form
    541,675.41/812,209.21 = 371,089.81/x
  3. Step 3: Cross multiply
    541,675.41x = 812,209.21 × 371,089.81
  4. Step 4: Simplify right side
    541,675.41x = 301,402,561,506.69
  5. Step 5: Solve for x
    x = 301,402,561,506.69/541,675.41
  6. Step 6: Final answer
    x = 556,426.52

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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.