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Finding the Fourth Proportional to 472,003.70, 708,005.55 and 304,042.10

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Solution

The fourth proportional to 472,003.70, 708,005.55 and 304,042.10 is: 456,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,003.70 : 708,005.55 = 304,042.10 : x
  2. Step 2: Convert to fraction form
    472,003.70/708,005.55 = 304,042.10/x
  3. Step 3: Cross multiply
    472,003.70x = 708,005.55 × 304,042.10
  4. Step 4: Simplify right side
    472,003.70x = 215,263,494,233.66
  5. Step 5: Solve for x
    x = 215,263,494,233.66/472,003.70
  6. Step 6: Final answer
    x = 456,063.15

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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.