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Finding the Fourth Proportional to 406,410.52, 560,851.02 and 225,125.23

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Solution

The fourth proportional to 406,410.52, 560,851.02 and 225,125.23 is: 310,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,410.52 : 560,851.02 = 225,125.23 : x
  2. Step 2: Convert to fraction form
    406,410.52/560,851.02 = 225,125.23/x
  3. Step 3: Cross multiply
    406,410.52x = 560,851.02 × 225,125.23
  4. Step 4: Simplify right side
    406,410.52x = 126,261,714,873.24
  5. Step 5: Solve for x
    x = 126,261,714,873.24/406,410.52
  6. Step 6: Final answer
    x = 310,675.31

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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.