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Finding the Fourth Proportional to 541,653.36, 747,429.48 and 323,818.98

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Solution

The fourth proportional to 541,653.36, 747,429.48 and 323,818.98 is: 446,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,653.36 : 747,429.48 = 323,818.98 : x
  2. Step 2: Convert to fraction form
    541,653.36/747,429.48 = 323,818.98/x
  3. Step 3: Cross multiply
    541,653.36x = 747,429.48 × 323,818.98
  4. Step 4: Simplify right side
    541,653.36x = 242,031,851,835.53
  5. Step 5: Solve for x
    x = 242,031,851,835.53/541,653.36
  6. Step 6: Final answer
    x = 446,839.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.