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Finding the Fourth Proportional to 508,069.92, 762,843.60 and 373,700.64

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Solution

The fourth proportional to 508,069.92, 762,843.60 and 373,700.64 is: 561,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,069.92 : 762,843.60 = 373,700.64 : x
  2. Step 2: Convert to fraction form
    508,069.92/762,843.60 = 373,700.64/x
  3. Step 3: Cross multiply
    508,069.92x = 762,843.60 × 373,700.64
  4. Step 4: Simplify right side
    508,069.92x = 285,075,141,539.90
  5. Step 5: Solve for x
    x = 285,075,141,539.90/508,069.92
  6. Step 6: Final answer
    x = 561,094.31

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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.