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Finding the Fourth Proportional to 406,660.42, 609,349.02 and 150,140.24

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Solution

The fourth proportional to 406,660.42, 609,349.02 and 150,140.24 is: 224,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,660.42 : 609,349.02 = 150,140.24 : x
  2. Step 2: Convert to fraction form
    406,660.42/609,349.02 = 150,140.24/x
  3. Step 3: Cross multiply
    406,660.42x = 609,349.02 × 150,140.24
  4. Step 4: Simplify right side
    406,660.42x = 91,487,805,059.82
  5. Step 5: Solve for x
    x = 91,487,805,059.82/406,660.42
  6. Step 6: Final answer
    x = 224,973.47

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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.