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Finding the Fourth Proportional to 634,502.73, 875,598.75 and 348,020.31

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Solution

The fourth proportional to 634,502.73, 875,598.75 and 348,020.31 is: 480,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,502.73 : 875,598.75 = 348,020.31 : x
  2. Step 2: Convert to fraction form
    634,502.73/875,598.75 = 348,020.31/x
  3. Step 3: Cross multiply
    634,502.73x = 875,598.75 × 348,020.31
  4. Step 4: Simplify right side
    634,502.73x = 304,726,148,410.61
  5. Step 5: Solve for x
    x = 304,726,148,410.61/634,502.73
  6. Step 6: Final answer
    x = 480,259.79

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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.