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Finding the Fourth Proportional to 634,597.63, 875,739.97 and 348,115.81

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Solution

The fourth proportional to 634,597.63, 875,739.97 and 348,115.81 is: 480,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,597.63 : 875,739.97 = 348,115.81 : x
  2. Step 2: Convert to fraction form
    634,597.63/875,739.97 = 348,115.81/x
  3. Step 3: Cross multiply
    634,597.63x = 875,739.97 × 348,115.81
  4. Step 4: Simplify right side
    634,597.63x = 304,858,929,005.93
  5. Step 5: Solve for x
    x = 304,858,929,005.93/634,597.63
  6. Step 6: Final answer
    x = 480,397.21

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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.