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Finding the Fourth Proportional to 270,703.60, 406,055.40 and 165,727.60

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Solution

The fourth proportional to 270,703.60, 406,055.40 and 165,727.60 is: 248,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,703.60 : 406,055.40 = 165,727.60 : x
  2. Step 2: Convert to fraction form
    270,703.60/406,055.40 = 165,727.60/x
  3. Step 3: Cross multiply
    270,703.60x = 406,055.40 × 165,727.60
  4. Step 4: Simplify right side
    270,703.60x = 67,294,586,909.04
  5. Step 5: Solve for x
    x = 67,294,586,909.04/270,703.60
  6. Step 6: Final answer
    x = 248,591.40

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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.