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Finding the Fourth Proportional to 607,685.13, 838,600.56 and 335,752.20

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Solution

The fourth proportional to 607,685.13, 838,600.56 and 335,752.20 is: 463,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,685.13 : 838,600.56 = 335,752.20 : x
  2. Step 2: Convert to fraction form
    607,685.13/838,600.56 = 335,752.20/x
  3. Step 3: Cross multiply
    607,685.13x = 838,600.56 × 335,752.20
  4. Step 4: Simplify right side
    607,685.13x = 281,561,982,941.23
  5. Step 5: Solve for x
    x = 281,561,982,941.23/607,685.13
  6. Step 6: Final answer
    x = 463,335.32

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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.