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Finding the Fourth Proportional to 573,038.28, 859,952.28 and 199,061.28

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Solution

The fourth proportional to 573,038.28, 859,952.28 and 199,061.28 is: 298,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,038.28 : 859,952.28 = 199,061.28 : x
  2. Step 2: Convert to fraction form
    573,038.28/859,952.28 = 199,061.28/x
  3. Step 3: Cross multiply
    573,038.28x = 859,952.28 × 199,061.28
  4. Step 4: Simplify right side
    573,038.28x = 171,183,201,595.72
  5. Step 5: Solve for x
    x = 171,183,201,595.72/573,038.28
  6. Step 6: Final answer
    x = 298,729.09

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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.