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Finding the Fourth Proportional to 634,325.58, 875,394.54 and 347,855.94

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Solution

The fourth proportional to 634,325.58, 875,394.54 and 347,855.94 is: 480,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,325.58 : 875,394.54 = 347,855.94 : x
  2. Step 2: Convert to fraction form
    634,325.58/875,394.54 = 347,855.94/x
  3. Step 3: Cross multiply
    634,325.58x = 875,394.54 × 347,855.94
  4. Step 4: Simplify right side
    634,325.58x = 304,511,190,582.57
  5. Step 5: Solve for x
    x = 304,511,190,582.57/634,325.58
  6. Step 6: Final answer
    x = 480,055.04

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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.