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Finding the Fourth Proportional to 406,524.69, 609,995.21 and 193,533.57

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Solution

The fourth proportional to 406,524.69, 609,995.21 and 193,533.57 is: 290,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,524.69 : 609,995.21 = 193,533.57 : x
  2. Step 2: Convert to fraction form
    406,524.69/609,995.21 = 193,533.57/x
  3. Step 3: Cross multiply
    406,524.69x = 609,995.21 × 193,533.57
  4. Step 4: Simplify right side
    406,524.69x = 118,054,549,706.53
  5. Step 5: Solve for x
    x = 118,054,549,706.53/406,524.69
  6. Step 6: Final answer
    x = 290,399.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.