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Finding the Fourth Proportional to 406,310.51, 560,801.81 and 270,350.19

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Solution

The fourth proportional to 406,310.51, 560,801.81 and 270,350.19 is: 373,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,310.51 : 560,801.81 = 270,350.19 : x
  2. Step 2: Convert to fraction form
    406,310.51/560,801.81 = 270,350.19/x
  3. Step 3: Cross multiply
    406,310.51x = 560,801.81 × 270,350.19
  4. Step 4: Simplify right side
    406,310.51x = 151,612,876,561.72
  5. Step 5: Solve for x
    x = 151,612,876,561.72/406,310.51
  6. Step 6: Final answer
    x = 373,145.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.