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Finding the Fourth Proportional to 304,484.00, 420,182.10 and 168,518.00

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Solution

The fourth proportional to 304,484.00, 420,182.10 and 168,518.00 is: 232,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,484.00 : 420,182.10 = 168,518.00 : x
  2. Step 2: Convert to fraction form
    304,484.00/420,182.10 = 168,518.00/x
  3. Step 3: Cross multiply
    304,484.00x = 420,182.10 × 168,518.00
  4. Step 4: Simplify right side
    304,484.00x = 70,808,248,178.26
  5. Step 5: Solve for x
    x = 70,808,248,178.26/304,484.00
  6. Step 6: Final answer
    x = 232,551.63

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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.