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Finding the Fourth Proportional to 436,661.10, 602,586.15 and 245,674.04

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Solution

The fourth proportional to 436,661.10, 602,586.15 and 245,674.04 is: 339,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,661.10 : 602,586.15 = 245,674.04 : x
  2. Step 2: Convert to fraction form
    436,661.10/602,586.15 = 245,674.04/x
  3. Step 3: Cross multiply
    436,661.10x = 602,586.15 × 245,674.04
  4. Step 4: Simplify right side
    436,661.10x = 148,039,769,677.25
  5. Step 5: Solve for x
    x = 148,039,769,677.25/436,661.10
  6. Step 6: Final answer
    x = 339,026.70

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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.