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Finding the Fourth Proportional to 436,459.80, 602,271.96 and 245,469.12

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Solution

The fourth proportional to 436,459.80, 602,271.96 and 245,469.12 is: 338,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,459.80 : 602,271.96 = 245,469.12 : x
  2. Step 2: Convert to fraction form
    436,459.80/602,271.96 = 245,469.12/x
  3. Step 3: Cross multiply
    436,459.80x = 602,271.96 × 245,469.12
  4. Step 4: Simplify right side
    436,459.80x = 147,839,168,021.88
  5. Step 5: Solve for x
    x = 147,839,168,021.88/436,459.80
  6. Step 6: Final answer
    x = 338,723.45

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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.