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Finding the Fourth Proportional to 451,538.64, 623,151.42 and 250,334.64

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Solution

The fourth proportional to 451,538.64, 623,151.42 and 250,334.64 is: 345,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,538.64 : 623,151.42 = 250,334.64 : x
  2. Step 2: Convert to fraction form
    451,538.64/623,151.42 = 250,334.64/x
  3. Step 3: Cross multiply
    451,538.64x = 623,151.42 × 250,334.64
  4. Step 4: Simplify right side
    451,538.64x = 155,996,386,391.19
  5. Step 5: Solve for x
    x = 155,996,386,391.19/451,538.64
  6. Step 6: Final answer
    x = 345,477.38

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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.