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Finding the Fourth Proportional to 504,951.98, 696,855.96 and 290,159.42

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Solution

The fourth proportional to 504,951.98, 696,855.96 and 290,159.42 is: 400,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,951.98 : 696,855.96 = 290,159.42 : x
  2. Step 2: Convert to fraction form
    504,951.98/696,855.96 = 290,159.42/x
  3. Step 3: Cross multiply
    504,951.98x = 696,855.96 × 290,159.42
  4. Step 4: Simplify right side
    504,951.98x = 202,199,317,692.86
  5. Step 5: Solve for x
    x = 202,199,317,692.86/504,951.98
  6. Step 6: Final answer
    x = 400,432.77

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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.