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Finding the Fourth Proportional to 607,260, 838,092.60 and 352,611.18

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Solution

The fourth proportional to 607,260, 838,092.60 and 352,611.18 is: 486,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,260 : 838,092.60 = 352,611.18 : x
  2. Step 2: Convert to fraction form
    607,260/838,092.60 = 352,611.18/x
  3. Step 3: Cross multiply
    607,260x = 838,092.60 × 352,611.18
  4. Step 4: Simplify right side
    607,260x = 295,520,820,635.27
  5. Step 5: Solve for x
    x = 295,520,820,635.27/607,260
  6. Step 6: Final answer
    x = 486,646.28

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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.