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Finding the Fourth Proportional to 436,809.38, 602,697.22 and 245,753.06

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Solution

The fourth proportional to 436,809.38, 602,697.22 and 245,753.06 is: 339,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,809.38 : 602,697.22 = 245,753.06 : x
  2. Step 2: Convert to fraction form
    436,809.38/602,697.22 = 245,753.06/x
  3. Step 3: Cross multiply
    436,809.38x = 602,697.22 × 245,753.06
  4. Step 4: Simplify right side
    436,809.38x = 148,114,684,839.73
  5. Step 5: Solve for x
    x = 148,114,684,839.73/436,809.38
  6. Step 6: Final answer
    x = 339,083.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.