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Finding the Fourth Proportional to 304,202.59, 455,347.17 and 208,874.90

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Solution

The fourth proportional to 304,202.59, 455,347.17 and 208,874.90 is: 312,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,202.59 : 455,347.17 = 208,874.90 : x
  2. Step 2: Convert to fraction form
    304,202.59/455,347.17 = 208,874.90/x
  3. Step 3: Cross multiply
    304,202.59x = 455,347.17 × 208,874.90
  4. Step 4: Simplify right side
    304,202.59x = 95,110,595,737.40
  5. Step 5: Solve for x
    x = 95,110,595,737.40/304,202.59
  6. Step 6: Final answer
    x = 312,655.45

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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.