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Finding the Fourth Proportional to 437,748.30, 604,227.24 and 256,518.60

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Solution

The fourth proportional to 437,748.30, 604,227.24 and 256,518.60 is: 354,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,748.30 : 604,227.24 = 256,518.60 : x
  2. Step 2: Convert to fraction form
    437,748.30/604,227.24 = 256,518.60/x
  3. Step 3: Cross multiply
    437,748.30x = 604,227.24 × 256,518.60
  4. Step 4: Simplify right side
    437,748.30x = 154,995,523,420.81
  5. Step 5: Solve for x
    x = 154,995,523,420.81/437,748.30
  6. Step 6: Final answer
    x = 354,074.53

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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.