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Finding the Fourth Proportional to 569,369.69, 853,764.01 and 190,153.79

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Solution

The fourth proportional to 569,369.69, 853,764.01 and 190,153.79 is: 285,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,369.69 : 853,764.01 = 190,153.79 : x
  2. Step 2: Convert to fraction form
    569,369.69/853,764.01 = 190,153.79/x
  3. Step 3: Cross multiply
    569,369.69x = 853,764.01 × 190,153.79
  4. Step 4: Simplify right side
    569,369.69x = 162,346,457,522.89
  5. Step 5: Solve for x
    x = 162,346,457,522.89/569,369.69
  6. Step 6: Final answer
    x = 285,133.65

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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.