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Finding the Fourth Proportional to 304,747.77, 420,539.55 and 168,773.63

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Solution

The fourth proportional to 304,747.77, 420,539.55 and 168,773.63 is: 232,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,747.77 : 420,539.55 = 168,773.63 : x
  2. Step 2: Convert to fraction form
    304,747.77/420,539.55 = 168,773.63/x
  3. Step 3: Cross multiply
    304,747.77x = 420,539.55 × 168,773.63
  4. Step 4: Simplify right side
    304,747.77x = 70,975,986,412.07
  5. Step 5: Solve for x
    x = 70,975,986,412.07/304,747.77
  6. Step 6: Final answer
    x = 232,900.76

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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.