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Finding the Fourth Proportional to 373,307.80, 559,961.70 and 329,762.20

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Solution

The fourth proportional to 373,307.80, 559,961.70 and 329,762.20 is: 494,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,307.80 : 559,961.70 = 329,762.20 : x
  2. Step 2: Convert to fraction form
    373,307.80/559,961.70 = 329,762.20/x
  3. Step 3: Cross multiply
    373,307.80x = 559,961.70 × 329,762.20
  4. Step 4: Simplify right side
    373,307.80x = 184,654,202,107.74
  5. Step 5: Solve for x
    x = 184,654,202,107.74/373,307.80
  6. Step 6: Final answer
    x = 494,643.30

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1.5x scale

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.