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Finding the Fourth Proportional to 543,892.64, 750,679.72 and 347,533.52

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Solution

The fourth proportional to 543,892.64, 750,679.72 and 347,533.52 is: 479,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,892.64 : 750,679.72 = 347,533.52 : x
  2. Step 2: Convert to fraction form
    543,892.64/750,679.72 = 347,533.52/x
  3. Step 3: Cross multiply
    543,892.64x = 750,679.72 × 347,533.52
  4. Step 4: Simplify right side
    543,892.64x = 260,886,365,484.21
  5. Step 5: Solve for x
    x = 260,886,365,484.21/543,892.64
  6. Step 6: Final answer
    x = 479,665.19

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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.