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Finding the Fourth Proportional to 607,695.92, 838,449.72 and 349,559.36

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Solution

The fourth proportional to 607,695.92, 838,449.72 and 349,559.36 is: 482,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,695.92 : 838,449.72 = 349,559.36 : x
  2. Step 2: Convert to fraction form
    607,695.92/838,449.72 = 349,559.36/x
  3. Step 3: Cross multiply
    607,695.92x = 838,449.72 × 349,559.36
  4. Step 4: Simplify right side
    607,695.92x = 293,087,947,515.38
  5. Step 5: Solve for x
    x = 293,087,947,515.38/607,695.92
  6. Step 6: Final answer
    x = 482,293.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.