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Finding the Fourth Proportional to 607,685.50, 838,622.90 and 335,770.92

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Solution

The fourth proportional to 607,685.50, 838,622.90 and 335,770.92 is: 463,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,685.50 : 838,622.90 = 335,770.92 : x
  2. Step 2: Convert to fraction form
    607,685.50/838,622.90 = 335,770.92/x
  3. Step 3: Cross multiply
    607,685.50x = 838,622.90 × 335,770.92
  4. Step 4: Simplify right side
    607,685.50x = 281,585,182,666.07
  5. Step 5: Solve for x
    x = 281,585,182,666.07/607,685.50
  6. Step 6: Final answer
    x = 463,373.21

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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.