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Finding the Fourth Proportional to 437,728.46, 604,074.51 and 246,741.80

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Solution

The fourth proportional to 437,728.46, 604,074.51 and 246,741.80 is: 340,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,728.46 : 604,074.51 = 246,741.80 : x
  2. Step 2: Convert to fraction form
    437,728.46/604,074.51 = 246,741.80/x
  3. Step 3: Cross multiply
    437,728.46x = 604,074.51 × 246,741.80
  4. Step 4: Simplify right side
    437,728.46x = 149,050,428,911.15
  5. Step 5: Solve for x
    x = 149,050,428,911.15/437,728.46
  6. Step 6: Final answer
    x = 340,508.89

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Double scale
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Similar ratio
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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.