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Finding the Fourth Proportional to 573,020.70, 859,228.65 and 193,811.10

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Solution

The fourth proportional to 573,020.70, 859,228.65 and 193,811.10 is: 290,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,020.70 : 859,228.65 = 193,811.10 : x
  2. Step 2: Convert to fraction form
    573,020.70/859,228.65 = 193,811.10/x
  3. Step 3: Cross multiply
    573,020.70x = 859,228.65 × 193,811.10
  4. Step 4: Simplify right side
    573,020.70x = 166,528,049,808.02
  5. Step 5: Solve for x
    x = 166,528,049,808.02/573,020.70
  6. Step 6: Final answer
    x = 290,614.37

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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.