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Finding the Fourth Proportional to 539,054.60, 808,581.90 and 165,077.60

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Solution

The fourth proportional to 539,054.60, 808,581.90 and 165,077.60 is: 247,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,054.60 : 808,581.90 = 165,077.60 : x
  2. Step 2: Convert to fraction form
    539,054.60/808,581.90 = 165,077.60/x
  3. Step 3: Cross multiply
    539,054.60x = 808,581.90 × 165,077.60
  4. Step 4: Simplify right side
    539,054.60x = 133,478,759,455.44
  5. Step 5: Solve for x
    x = 133,478,759,455.44/539,054.60
  6. Step 6: Final answer
    x = 247,616.40

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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.