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Finding the Fourth Proportional to 607,414.65, 838,238.52 and 335,489.45

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Solution

The fourth proportional to 607,414.65, 838,238.52 and 335,489.45 is: 462,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,414.65 : 838,238.52 = 335,489.45 : x
  2. Step 2: Convert to fraction form
    607,414.65/838,238.52 = 335,489.45/x
  3. Step 3: Cross multiply
    607,414.65x = 838,238.52 × 335,489.45
  4. Step 4: Simplify right side
    607,414.65x = 281,220,177,110.51
  5. Step 5: Solve for x
    x = 281,220,177,110.51/607,414.65
  6. Step 6: Final answer
    x = 462,978.92

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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.