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Finding the Fourth Proportional to 335,248.80, 503,456.40 and 177,784.80

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Solution

The fourth proportional to 335,248.80, 503,456.40 and 177,784.80 is: 266,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,248.80 : 503,456.40 = 177,784.80 : x
  2. Step 2: Convert to fraction form
    335,248.80/503,456.40 = 177,784.80/x
  3. Step 3: Cross multiply
    335,248.80x = 503,456.40 × 177,784.80
  4. Step 4: Simplify right side
    335,248.80x = 89,506,895,382.72
  5. Step 5: Solve for x
    x = 89,506,895,382.72/335,248.80
  6. Step 6: Final answer
    x = 266,986.48

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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.