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Finding the Fourth Proportional to 373,291.80, 559,937.70 and 329,746.20

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Solution

The fourth proportional to 373,291.80, 559,937.70 and 329,746.20 is: 494,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,291.80 : 559,937.70 = 329,746.20 : x
  2. Step 2: Convert to fraction form
    373,291.80/559,937.70 = 329,746.20/x
  3. Step 3: Cross multiply
    373,291.80x = 559,937.70 × 329,746.20
  4. Step 4: Simplify right side
    373,291.80x = 184,637,328,811.74
  5. Step 5: Solve for x
    x = 184,637,328,811.74/373,291.80
  6. Step 6: Final answer
    x = 494,619.30

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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.