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Finding the Fourth Proportional to 626,722.26, 940,218.30 and 194,430.94

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Solution

The fourth proportional to 626,722.26, 940,218.30 and 194,430.94 is: 291,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,722.26 : 940,218.30 = 194,430.94 : x
  2. Step 2: Convert to fraction form
    626,722.26/940,218.30 = 194,430.94/x
  3. Step 3: Cross multiply
    626,722.26x = 940,218.30 × 194,430.94
  4. Step 4: Simplify right side
    626,722.26x = 182,807,527,874.20
  5. Step 5: Solve for x
    x = 182,807,527,874.20/626,722.26
  6. Step 6: Final answer
    x = 291,688.26

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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.