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Finding the Fourth Proportional to 650,889.05, 976,145.07 and 195,461.92

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Solution

The fourth proportional to 650,889.05, 976,145.07 and 195,461.92 is: 293,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,889.05 : 976,145.07 = 195,461.92 : x
  2. Step 2: Convert to fraction form
    650,889.05/976,145.07 = 195,461.92/x
  3. Step 3: Cross multiply
    650,889.05x = 976,145.07 × 195,461.92
  4. Step 4: Simplify right side
    650,889.05x = 190,799,191,533.90
  5. Step 5: Solve for x
    x = 190,799,191,533.90/650,889.05
  6. Step 6: Final answer
    x = 293,136.28

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1.5x scale

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.