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Finding the Fourth Proportional to 617,444.40, 926,166.60 and 218,535.60

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Solution

The fourth proportional to 617,444.40, 926,166.60 and 218,535.60 is: 327,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,444.40 : 926,166.60 = 218,535.60 : x
  2. Step 2: Convert to fraction form
    617,444.40/926,166.60 = 218,535.60/x
  3. Step 3: Cross multiply
    617,444.40x = 926,166.60 × 218,535.60
  4. Step 4: Simplify right side
    617,444.40x = 202,400,373,630.96
  5. Step 5: Solve for x
    x = 202,400,373,630.96/617,444.40
  6. Step 6: Final answer
    x = 327,803.40

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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.