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Finding the Fourth Proportional to 406,409.52, 560,849.64 and 225,124.23

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Solution

The fourth proportional to 406,409.52, 560,849.64 and 225,124.23 is: 310,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,409.52 : 560,849.64 = 225,124.23 : x
  2. Step 2: Convert to fraction form
    406,409.52/560,849.64 = 225,124.23/x
  3. Step 3: Cross multiply
    406,409.52x = 560,849.64 × 225,124.23
  4. Step 4: Simplify right side
    406,409.52x = 126,260,843,350.78
  5. Step 5: Solve for x
    x = 126,260,843,350.78/406,409.52
  6. Step 6: Final answer
    x = 310,673.93

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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.