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Finding the Fourth Proportional to 406,260.74, 609,390.37 and 121,951.01

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Solution

The fourth proportional to 406,260.74, 609,390.37 and 121,951.01 is: 182,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,260.74 : 609,390.37 = 121,951.01 : x
  2. Step 2: Convert to fraction form
    406,260.74/609,390.37 = 121,951.01/x
  3. Step 3: Cross multiply
    406,260.74x = 609,390.37 × 121,951.01
  4. Step 4: Simplify right side
    406,260.74x = 74,315,771,105.77
  5. Step 5: Solve for x
    x = 74,315,771,105.77/406,260.74
  6. Step 6: Final answer
    x = 182,926.29

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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.