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Finding the Fourth Proportional to 373,309.61, 559,841.49 and 120,530.48

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Solution

The fourth proportional to 373,309.61, 559,841.49 and 120,530.48 is: 180,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,309.61 : 559,841.49 = 120,530.48 : x
  2. Step 2: Convert to fraction form
    373,309.61/559,841.49 = 120,530.48/x
  3. Step 3: Cross multiply
    373,309.61x = 559,841.49 × 120,530.48
  4. Step 4: Simplify right side
    373,309.61x = 67,477,960,714.41
  5. Step 5: Solve for x
    x = 67,477,960,714.41/373,309.61
  6. Step 6: Final answer
    x = 180,756.03

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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.