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Finding the Fourth Proportional to 634,377.06, 875,451.56 and 347,894.64

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Solution

The fourth proportional to 634,377.06, 875,451.56 and 347,894.64 is: 480,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,377.06 : 875,451.56 = 347,894.64 : x
  2. Step 2: Convert to fraction form
    634,377.06/875,451.56 = 347,894.64/x
  3. Step 3: Cross multiply
    634,377.06x = 875,451.56 × 347,894.64
  4. Step 4: Simplify right side
    634,377.06x = 304,564,905,303.64
  5. Step 5: Solve for x
    x = 304,564,905,303.64/634,377.06
  6. Step 6: Final answer
    x = 480,100.75

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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.