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Finding the Fourth Proportional to 336,542.90, 504,133.95 and 209,794.10

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Solution

The fourth proportional to 336,542.90, 504,133.95 and 209,794.10 is: 314,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,542.90 : 504,133.95 = 209,794.10 : x
  2. Step 2: Convert to fraction form
    336,542.90/504,133.95 = 209,794.10/x
  3. Step 3: Cross multiply
    336,542.90x = 504,133.95 × 209,794.10
  4. Step 4: Simplify right side
    336,542.90x = 105,764,328,319.70
  5. Step 5: Solve for x
    x = 105,764,328,319.70/336,542.90
  6. Step 6: Final answer
    x = 314,267.00

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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.