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Finding the Fourth Proportional to 473,903.82, 710,855.72 and 189,722.30

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Solution

The fourth proportional to 473,903.82, 710,855.72 and 189,722.30 is: 284,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,903.82 : 710,855.72 = 189,722.30 : x
  2. Step 2: Convert to fraction form
    473,903.82/710,855.72 = 189,722.30/x
  3. Step 3: Cross multiply
    473,903.82x = 710,855.72 × 189,722.30
  4. Step 4: Simplify right side
    473,903.82x = 134,865,182,166.56
  5. Step 5: Solve for x
    x = 134,865,182,166.56/473,903.82
  6. Step 6: Final answer
    x = 284,583.45

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Similar ratio
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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.