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Finding the Fourth Proportional to 436,661.76, 602,587.05 and 245,674.69

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Solution

The fourth proportional to 436,661.76, 602,587.05 and 245,674.69 is: 339,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,661.76 : 602,587.05 = 245,674.69 : x
  2. Step 2: Convert to fraction form
    436,661.76/602,587.05 = 245,674.69/x
  3. Step 3: Cross multiply
    436,661.76x = 602,587.05 × 245,674.69
  4. Step 4: Simplify right side
    436,661.76x = 148,040,386,706.77
  5. Step 5: Solve for x
    x = 148,040,386,706.77/436,661.76
  6. Step 6: Final answer
    x = 339,027.60

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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.