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Finding the Fourth Proportional to 940,233, 1,409,416.38 and 440,702.76

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Solution

The fourth proportional to 940,233, 1,409,416.38 and 440,702.76 is: 660,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,233 : 1,409,416.38 = 440,702.76 : x
  2. Step 2: Convert to fraction form
    940,233/1,409,416.38 = 440,702.76/x
  3. Step 3: Cross multiply
    940,233x = 1,409,416.38 × 440,702.76
  4. Step 4: Simplify right side
    940,233x = 621,133,688,655.21
  5. Step 5: Solve for x
    x = 621,133,688,655.21/940,233
  6. Step 6: Final answer
    x = 660,616.77

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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.