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Finding the Fourth Proportional to 400,377.08, 603,350.88 and 362,437.89

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Solution

The fourth proportional to 400,377.08, 603,350.88 and 362,437.89 is: 546,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,377.08 : 603,350.88 = 362,437.89 : x
  2. Step 2: Convert to fraction form
    400,377.08/603,350.88 = 362,437.89/x
  3. Step 3: Cross multiply
    400,377.08x = 603,350.88 × 362,437.89
  4. Step 4: Simplify right side
    400,377.08x = 218,677,219,648.98
  5. Step 5: Solve for x
    x = 218,677,219,648.98/400,377.08
  6. Step 6: Final answer
    x = 546,178.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.