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Finding the Fourth Proportional to 607,317.60, 910,976.40 and 274,893.60

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Solution

The fourth proportional to 607,317.60, 910,976.40 and 274,893.60 is: 412,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,317.60 : 910,976.40 = 274,893.60 : x
  2. Step 2: Convert to fraction form
    607,317.60/910,976.40 = 274,893.60/x
  3. Step 3: Cross multiply
    607,317.60x = 910,976.40 × 274,893.60
  4. Step 4: Simplify right side
    607,317.60x = 250,421,582,111.04
  5. Step 5: Solve for x
    x = 250,421,582,111.04/607,317.60
  6. Step 6: Final answer
    x = 412,340.40

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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.