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Finding the Fourth Proportional to 600,731.57, 901,720.25 and 402,437.67

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Solution

The fourth proportional to 600,731.57, 901,720.25 and 402,437.67 is: 604,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,731.57 : 901,720.25 = 402,437.67 : x
  2. Step 2: Convert to fraction form
    600,731.57/901,720.25 = 402,437.67/x
  3. Step 3: Cross multiply
    600,731.57x = 901,720.25 × 402,437.67
  4. Step 4: Simplify right side
    600,731.57x = 362,886,192,517.32
  5. Step 5: Solve for x
    x = 362,886,192,517.32/600,731.57
  6. Step 6: Final answer
    x = 604,073.78

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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.