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Finding the Fourth Proportional to 304,859.80, 420,700.82 and 184,006.18

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Solution

The fourth proportional to 304,859.80, 420,700.82 and 184,006.18 is: 253,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,859.80 : 420,700.82 = 184,006.18 : x
  2. Step 2: Convert to fraction form
    304,859.80/420,700.82 = 184,006.18/x
  3. Step 3: Cross multiply
    304,859.80x = 420,700.82 × 184,006.18
  4. Step 4: Simplify right side
    304,859.80x = 77,411,550,811.07
  5. Step 5: Solve for x
    x = 77,411,550,811.07/304,859.80
  6. Step 6: Final answer
    x = 253,925.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.