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Finding the Fourth Proportional to 366,327.70, 549,491.55 and 303,342.10

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Solution

The fourth proportional to 366,327.70, 549,491.55 and 303,342.10 is: 455,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,327.70 : 549,491.55 = 303,342.10 : x
  2. Step 2: Convert to fraction form
    366,327.70/549,491.55 = 303,342.10/x
  3. Step 3: Cross multiply
    366,327.70x = 549,491.55 × 303,342.10
  4. Step 4: Simplify right side
    366,327.70x = 166,683,920,709.26
  5. Step 5: Solve for x
    x = 166,683,920,709.26/366,327.70
  6. Step 6: Final answer
    x = 455,013.15

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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.