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Finding the Fourth Proportional to 368,371.53, 552,555.47 and 318,298.35

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Solution

The fourth proportional to 368,371.53, 552,555.47 and 318,298.35 is: 477,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,371.53 : 552,555.47 = 318,298.35 : x
  2. Step 2: Convert to fraction form
    368,371.53/552,555.47 = 318,298.35/x
  3. Step 3: Cross multiply
    368,371.53x = 552,555.47 × 318,298.35
  4. Step 4: Simplify right side
    368,371.53x = 175,877,494,384.48
  5. Step 5: Solve for x
    x = 175,877,494,384.48/368,371.53
  6. Step 6: Final answer
    x = 477,445.95

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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.