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Finding the Fourth Proportional to 406,527.54, 561,000.72 and 225,235.83

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Solution

The fourth proportional to 406,527.54, 561,000.72 and 225,235.83 is: 310,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,527.54 : 561,000.72 = 225,235.83 : x
  2. Step 2: Convert to fraction form
    406,527.54/561,000.72 = 225,235.83/x
  3. Step 3: Cross multiply
    406,527.54x = 561,000.72 × 225,235.83
  4. Step 4: Simplify right side
    406,527.54x = 126,357,462,799.80
  5. Step 5: Solve for x
    x = 126,357,462,799.80/406,527.54
  6. Step 6: Final answer
    x = 310,821.41

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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.