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Finding the Fourth Proportional to 532,611.60, 798,917.40 and 153,531.60

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Solution

The fourth proportional to 532,611.60, 798,917.40 and 153,531.60 is: 230,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,611.60 : 798,917.40 = 153,531.60 : x
  2. Step 2: Convert to fraction form
    532,611.60/798,917.40 = 153,531.60/x
  3. Step 3: Cross multiply
    532,611.60x = 798,917.40 × 153,531.60
  4. Step 4: Simplify right side
    532,611.60x = 122,659,066,689.84
  5. Step 5: Solve for x
    x = 122,659,066,689.84/532,611.60
  6. Step 6: Final answer
    x = 230,297.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.