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Finding the Fourth Proportional to 530,877.60, 796,316.40 and 136,893.60

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Solution

The fourth proportional to 530,877.60, 796,316.40 and 136,893.60 is: 205,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,877.60 : 796,316.40 = 136,893.60 : x
  2. Step 2: Convert to fraction form
    530,877.60/796,316.40 = 136,893.60/x
  3. Step 3: Cross multiply
    530,877.60x = 796,316.40 × 136,893.60
  4. Step 4: Simplify right side
    530,877.60x = 109,010,618,735.04
  5. Step 5: Solve for x
    x = 109,010,618,735.04/530,877.60
  6. Step 6: Final answer
    x = 205,340.40

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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.