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Finding the Fourth Proportional to 406,846.94, 561,482.01 and 225,615.69

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Solution

The fourth proportional to 406,846.94, 561,482.01 and 225,615.69 is: 311,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,846.94 : 561,482.01 = 225,615.69 : x
  2. Step 2: Convert to fraction form
    406,846.94/561,482.01 = 225,615.69/x
  3. Step 3: Cross multiply
    406,846.94x = 561,482.01 × 225,615.69
  4. Step 4: Simplify right side
    406,846.94x = 126,679,151,108.74
  5. Step 5: Solve for x
    x = 126,679,151,108.74/406,846.94
  6. Step 6: Final answer
    x = 311,368.09

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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.