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Finding the Fourth Proportional to 436,809.13, 602,696.87 and 245,752.81

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Solution

The fourth proportional to 436,809.13, 602,696.87 and 245,752.81 is: 339,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,809.13 : 602,696.87 = 245,752.81 : x
  2. Step 2: Convert to fraction form
    436,809.13/602,696.87 = 245,752.81/x
  3. Step 3: Cross multiply
    436,809.13x = 602,696.87 × 245,752.81
  4. Step 4: Simplify right side
    436,809.13x = 148,114,447,566.77
  5. Step 5: Solve for x
    x = 148,114,447,566.77/436,809.13
  6. Step 6: Final answer
    x = 339,082.77

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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.