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Finding the Fourth Proportional to 304,676.48, 420,323.16 and 183,748.96

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Solution

The fourth proportional to 304,676.48, 420,323.16 and 183,748.96 is: 253,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,676.48 : 420,323.16 = 183,748.96 : x
  2. Step 2: Convert to fraction form
    304,676.48/420,323.16 = 183,748.96/x
  3. Step 3: Cross multiply
    304,676.48x = 420,323.16 × 183,748.96
  4. Step 4: Simplify right side
    304,676.48x = 77,233,943,513.91
  5. Step 5: Solve for x
    x = 77,233,943,513.91/304,676.48
  6. Step 6: Final answer
    x = 253,494.93

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1.5x scale

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.