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Finding the Fourth Proportional to 440,506.37, 660,572.70 and 156,268.46

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Solution

The fourth proportional to 440,506.37, 660,572.70 and 156,268.46 is: 234,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,506.37 : 660,572.70 = 156,268.46 : x
  2. Step 2: Convert to fraction form
    440,506.37/660,572.70 = 156,268.46/x
  3. Step 3: Cross multiply
    440,506.37x = 660,572.70 × 156,268.46
  4. Step 4: Simplify right side
    440,506.37x = 103,226,675,244.18
  5. Step 5: Solve for x
    x = 103,226,675,244.18/440,506.37
  6. Step 6: Final answer
    x = 234,336.40

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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.