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Finding the Fourth Proportional to 523,589.63, 785,340.56 and 207,961.79

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Solution

The fourth proportional to 523,589.63, 785,340.56 and 207,961.79 is: 311,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,589.63 : 785,340.56 = 207,961.79 : x
  2. Step 2: Convert to fraction form
    523,589.63/785,340.56 = 207,961.79/x
  3. Step 3: Cross multiply
    523,589.63x = 785,340.56 × 207,961.79
  4. Step 4: Simplify right side
    523,589.63x = 163,320,823,650.69
  5. Step 5: Solve for x
    x = 163,320,823,650.69/523,589.63
  6. Step 6: Final answer
    x = 311,925.25

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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.