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Finding the Fourth Proportional to 406,592.40, 561,090.06 and 225,300.36

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Solution

The fourth proportional to 406,592.40, 561,090.06 and 225,300.36 is: 310,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,592.40 : 561,090.06 = 225,300.36 : x
  2. Step 2: Convert to fraction form
    406,592.40/561,090.06 = 225,300.36/x
  3. Step 3: Cross multiply
    406,592.40x = 561,090.06 × 225,300.36
  4. Step 4: Simplify right side
    406,592.40x = 126,413,792,510.42
  5. Step 5: Solve for x
    x = 126,413,792,510.42/406,592.40
  6. Step 6: Final answer
    x = 310,910.37

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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.