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Finding the Fourth Proportional to 336,460.90, 504,010.95 and 209,712.10

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Solution

The fourth proportional to 336,460.90, 504,010.95 and 209,712.10 is: 314,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,460.90 : 504,010.95 = 209,712.10 : x
  2. Step 2: Convert to fraction form
    336,460.90/504,010.95 = 209,712.10/x
  3. Step 3: Cross multiply
    336,460.90x = 504,010.95 × 209,712.10
  4. Step 4: Simplify right side
    336,460.90x = 105,697,194,747.50
  5. Step 5: Solve for x
    x = 105,697,194,747.50/336,460.90
  6. Step 6: Final answer
    x = 314,144.06

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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.