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Finding the Fourth Proportional to 292,874.80, 439,830.60 and 226,476.40

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Solution

The fourth proportional to 292,874.80, 439,830.60 and 226,476.40 is: 340,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,874.80 : 439,830.60 = 226,476.40 : x
  2. Step 2: Convert to fraction form
    292,874.80/439,830.60 = 226,476.40/x
  3. Step 3: Cross multiply
    292,874.80x = 439,830.60 × 226,476.40
  4. Step 4: Simplify right side
    292,874.80x = 99,611,250,897.84
  5. Step 5: Solve for x
    x = 99,611,250,897.84/292,874.80
  6. Step 6: Final answer
    x = 340,115.47

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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.