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Finding the Fourth Proportional to 450,503.38, 621,571.75 and 264,233.86

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Solution

The fourth proportional to 450,503.38, 621,571.75 and 264,233.86 is: 364,570.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,503.38 : 621,571.75 = 264,233.86 : x
  2. Step 2: Convert to fraction form
    450,503.38/621,571.75 = 264,233.86/x
  3. Step 3: Cross multiply
    450,503.38x = 621,571.75 × 264,233.86
  4. Step 4: Simplify right side
    450,503.38x = 164,240,302,769.46
  5. Step 5: Solve for x
    x = 164,240,302,769.46/450,503.38
  6. Step 6: Final answer
    x = 364,570.63

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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.