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Finding the Fourth Proportional to 423,521.70, 634,892.66 and 183,484.77

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Solution

The fourth proportional to 423,521.70, 634,892.66 and 183,484.77 is: 275,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,521.70 : 634,892.66 = 183,484.77 : x
  2. Step 2: Convert to fraction form
    423,521.70/634,892.66 = 183,484.77/x
  3. Step 3: Cross multiply
    423,521.70x = 634,892.66 × 183,484.77
  4. Step 4: Simplify right side
    423,521.70x = 116,493,133,694.79
  5. Step 5: Solve for x
    x = 116,493,133,694.79/423,521.70
  6. Step 6: Final answer
    x = 275,058.24

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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.