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Finding the Fourth Proportional to 436,660.66, 602,585.54 and 245,673.60

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Solution

The fourth proportional to 436,660.66, 602,585.54 and 245,673.60 is: 339,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,660.66 : 602,585.54 = 245,673.60 : x
  2. Step 2: Convert to fraction form
    436,660.66/602,585.54 = 245,673.60/x
  3. Step 3: Cross multiply
    436,660.66x = 602,585.54 × 245,673.60
  4. Step 4: Simplify right side
    436,660.66x = 148,039,357,891.30
  5. Step 5: Solve for x
    x = 148,039,357,891.30/436,660.66
  6. Step 6: Final answer
    x = 339,026.09

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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.