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Finding the Fourth Proportional to 444,284.56, 612,475.01 and 316,738.72

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Solution

The fourth proportional to 444,284.56, 612,475.01 and 316,738.72 is: 436,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,284.56 : 612,475.01 = 316,738.72 : x
  2. Step 2: Convert to fraction form
    444,284.56/612,475.01 = 316,738.72/x
  3. Step 3: Cross multiply
    444,284.56x = 612,475.01 × 316,738.72
  4. Step 4: Simplify right side
    444,284.56x = 193,994,547,584.51
  5. Step 5: Solve for x
    x = 193,994,547,584.51/444,284.56
  6. Step 6: Final answer
    x = 436,644.81

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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.