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Finding the Fourth Proportional to 472,503.06, 708,767.55 and 152,668.62

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Solution

The fourth proportional to 472,503.06, 708,767.55 and 152,668.62 is: 229,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,503.06 : 708,767.55 = 152,668.62 : x
  2. Step 2: Convert to fraction form
    472,503.06/708,767.55 = 152,668.62/x
  3. Step 3: Cross multiply
    472,503.06x = 708,767.55 × 152,668.62
  4. Step 4: Simplify right side
    472,503.06x = 108,206,563,759.28
  5. Step 5: Solve for x
    x = 108,206,563,759.28/472,503.06
  6. Step 6: Final answer
    x = 229,007.12

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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.