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Finding the Fourth Proportional to 482,925.85, 666,440.22 and 301,742.85

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Solution

The fourth proportional to 482,925.85, 666,440.22 and 301,742.85 is: 416,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,925.85 : 666,440.22 = 301,742.85 : x
  2. Step 2: Convert to fraction form
    482,925.85/666,440.22 = 301,742.85/x
  3. Step 3: Cross multiply
    482,925.85x = 666,440.22 × 301,742.85
  4. Step 4: Simplify right side
    482,925.85x = 201,093,571,337.43
  5. Step 5: Solve for x
    x = 201,093,571,337.43/482,925.85
  6. Step 6: Final answer
    x = 416,406.72

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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.