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Finding the Fourth Proportional to 468,166.21, 646,071.57 and 264,225.73

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Solution

The fourth proportional to 468,166.21, 646,071.57 and 264,225.73 is: 364,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,166.21 : 646,071.57 = 264,225.73 : x
  2. Step 2: Convert to fraction form
    468,166.21/646,071.57 = 264,225.73/x
  3. Step 3: Cross multiply
    468,166.21x = 646,071.57 × 264,225.73
  4. Step 4: Simplify right side
    468,166.21x = 170,708,732,215.50
  5. Step 5: Solve for x
    x = 170,708,732,215.50/468,166.21
  6. Step 6: Final answer
    x = 364,632.75

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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.