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Finding the Fourth Proportional to 304,196.80, 455,420.40 and 186,098.80

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Solution

The fourth proportional to 304,196.80, 455,420.40 and 186,098.80 is: 278,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,196.80 : 455,420.40 = 186,098.80 : x
  2. Step 2: Convert to fraction form
    304,196.80/455,420.40 = 186,098.80/x
  3. Step 3: Cross multiply
    304,196.80x = 455,420.40 × 186,098.80
  4. Step 4: Simplify right side
    304,196.80x = 84,753,189,935.52
  5. Step 5: Solve for x
    x = 84,753,189,935.52/304,196.80
  6. Step 6: Final answer
    x = 278,613.02

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1.5x scale

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.