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Finding the Fourth Proportional to 634,504.74, 875,601.50 and 348,022.32

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Solution

The fourth proportional to 634,504.74, 875,601.50 and 348,022.32 is: 480,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,504.74 : 875,601.50 = 348,022.32 : x
  2. Step 2: Convert to fraction form
    634,504.74/875,601.50 = 348,022.32/x
  3. Step 3: Cross multiply
    634,504.74x = 875,601.50 × 348,022.32
  4. Step 4: Simplify right side
    634,504.74x = 304,728,865,425.48
  5. Step 5: Solve for x
    x = 304,728,865,425.48/634,504.74
  6. Step 6: Final answer
    x = 480,262.55

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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.