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Finding the Fourth Proportional to 634,470.93, 875,602.01 and 348,017.73

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Solution

The fourth proportional to 634,470.93, 875,602.01 and 348,017.73 is: 480,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,470.93 : 875,602.01 = 348,017.73 : x
  2. Step 2: Convert to fraction form
    634,470.93/875,602.01 = 348,017.73/x
  3. Step 3: Cross multiply
    634,470.93x = 875,602.01 × 348,017.73
  4. Step 4: Simplify right side
    634,470.93x = 304,725,023,903.64
  5. Step 5: Solve for x
    x = 304,725,023,903.64/634,470.93
  6. Step 6: Final answer
    x = 480,282.09

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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.