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Finding the Fourth Proportional to 543,736.48, 750,346.32 and 302,009.44

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Solution

The fourth proportional to 543,736.48, 750,346.32 and 302,009.44 is: 416,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,736.48 : 750,346.32 = 302,009.44 : x
  2. Step 2: Convert to fraction form
    543,736.48/750,346.32 = 302,009.44/x
  3. Step 3: Cross multiply
    543,736.48x = 750,346.32 × 302,009.44
  4. Step 4: Simplify right side
    543,736.48x = 226,611,671,909.26
  5. Step 5: Solve for x
    x = 226,611,671,909.26/543,736.48
  6. Step 6: Final answer
    x = 416,767.46

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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.