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Finding the Fourth Proportional to 444,079.64, 612,814.74 and 253,154.54

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Solution

The fourth proportional to 444,079.64, 612,814.74 and 253,154.54 is: 349,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,079.64 : 612,814.74 = 253,154.54 : x
  2. Step 2: Convert to fraction form
    444,079.64/612,814.74 = 253,154.54/x
  3. Step 3: Cross multiply
    444,079.64x = 612,814.74 × 253,154.54
  4. Step 4: Simplify right side
    444,079.64x = 155,136,833,609.92
  5. Step 5: Solve for x
    x = 155,136,833,609.92/444,079.64
  6. Step 6: Final answer
    x = 349,344.62

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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.