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Finding the Fourth Proportional to 447,343.55, 617,329.30 and 266,051.49

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Solution

The fourth proportional to 447,343.55, 617,329.30 and 266,051.49 is: 367,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,343.55 : 617,329.30 = 266,051.49 : x
  2. Step 2: Convert to fraction form
    447,343.55/617,329.30 = 266,051.49/x
  3. Step 3: Cross multiply
    447,343.55x = 617,329.30 × 266,051.49
  4. Step 4: Simplify right side
    447,343.55x = 164,241,380,085.66
  5. Step 5: Solve for x
    x = 164,241,380,085.66/447,343.55
  6. Step 6: Final answer
    x = 367,148.20

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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.