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Finding the Fourth Proportional to 435,013.86, 652,758.63 and 168,784.89

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Solution

The fourth proportional to 435,013.86, 652,758.63 and 168,784.89 is: 253,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,013.86 : 652,758.63 = 168,784.89 : x
  2. Step 2: Convert to fraction form
    435,013.86/652,758.63 = 168,784.89/x
  3. Step 3: Cross multiply
    435,013.86x = 652,758.63 × 168,784.89
  4. Step 4: Simplify right side
    435,013.86x = 110,175,793,561.10
  5. Step 5: Solve for x
    x = 110,175,793,561.10/435,013.86
  6. Step 6: Final answer
    x = 253,269.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.