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Finding the Fourth Proportional to 634,953.06, 876,234.51 and 348,473.88

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Solution

The fourth proportional to 634,953.06, 876,234.51 and 348,473.88 is: 480,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,953.06 : 876,234.51 = 348,473.88 : x
  2. Step 2: Convert to fraction form
    634,953.06/876,234.51 = 348,473.88/x
  3. Step 3: Cross multiply
    634,953.06x = 876,234.51 × 348,473.88
  4. Step 4: Simplify right side
    634,953.06x = 305,344,839,489.60
  5. Step 5: Solve for x
    x = 305,344,839,489.60/634,953.06
  6. Step 6: Final answer
    x = 480,893.56

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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.