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Finding the Fourth Proportional to 569,050.58, 784,377.72 and 385,231.19

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Solution

The fourth proportional to 569,050.58, 784,377.72 and 385,231.19 is: 531,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,050.58 : 784,377.72 = 385,231.19 : x
  2. Step 2: Convert to fraction form
    569,050.58/784,377.72 = 385,231.19/x
  3. Step 3: Cross multiply
    569,050.58x = 784,377.72 × 385,231.19
  4. Step 4: Simplify right side
    569,050.58x = 302,166,758,563.20
  5. Step 5: Solve for x
    x = 302,166,758,563.20/569,050.58
  6. Step 6: Final answer
    x = 531,001.58

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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.