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Finding the Fourth Proportional to 423,007.02, 634,393.89 and 183,201.66

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Solution

The fourth proportional to 423,007.02, 634,393.89 and 183,201.66 is: 274,751.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,007.02 : 634,393.89 = 183,201.66 : x
  2. Step 2: Convert to fraction form
    423,007.02/634,393.89 = 183,201.66/x
  3. Step 3: Cross multiply
    423,007.02x = 634,393.89 × 183,201.66
  4. Step 4: Simplify right side
    423,007.02x = 116,222,013,741.86
  5. Step 5: Solve for x
    x = 116,222,013,741.86/423,007.02
  6. Step 6: Final answer
    x = 274,751.97

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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.