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Finding the Fourth Proportional to 353,686.69, 530,613.03 and 117,029.35

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Solution

The fourth proportional to 353,686.69, 530,613.03 and 117,029.35 is: 175,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,686.69 : 530,613.03 = 117,029.35 : x
  2. Step 2: Convert to fraction form
    353,686.69/530,613.03 = 117,029.35/x
  3. Step 3: Cross multiply
    353,686.69x = 530,613.03 × 117,029.35
  4. Step 4: Simplify right side
    353,686.69x = 62,097,298,002.43
  5. Step 5: Solve for x
    x = 62,097,298,002.43/353,686.69
  6. Step 6: Final answer
    x = 175,571.49

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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.