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Finding the Fourth Proportional to 702,995.65, 1,054,493.48 and 463,847.20

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Solution

The fourth proportional to 702,995.65, 1,054,493.48 and 463,847.20 is: 695,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,995.65 : 1,054,493.48 = 463,847.20 : x
  2. Step 2: Convert to fraction form
    702,995.65/1,054,493.48 = 463,847.20/x
  3. Step 3: Cross multiply
    702,995.65x = 1,054,493.48 × 463,847.20
  4. Step 4: Simplify right side
    702,995.65x = 489,123,848,116.26
  5. Step 5: Solve for x
    x = 489,123,848,116.26/702,995.65
  6. Step 6: Final answer
    x = 695,770.80

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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.