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Finding the Fourth Proportional to 1,971,590.88, 2,956,934.16 and 551,746.56

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Solution

The fourth proportional to 1,971,590.88, 2,956,934.16 and 551,746.56 is: 827,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,590.88 : 2,956,934.16 = 551,746.56 : x
  2. Step 2: Convert to fraction form
    1,971,590.88/2,956,934.16 = 551,746.56/x
  3. Step 3: Cross multiply
    1,971,590.88x = 2,956,934.16 × 551,746.56
  4. Step 4: Simplify right side
    1,971,590.88x = 1,631,478,250,926.49
  5. Step 5: Solve for x
    x = 1,631,478,250,926.49/1,971,590.88
  6. Step 6: Final answer
    x = 827,493.30

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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.