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Finding the Fourth Proportional to 634,554.23, 875,679.43 and 348,069.11

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Solution

The fourth proportional to 634,554.23, 875,679.43 and 348,069.11 is: 480,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,554.23 : 875,679.43 = 348,069.11 : x
  2. Step 2: Convert to fraction form
    634,554.23/875,679.43 = 348,069.11/x
  3. Step 3: Cross multiply
    634,554.23x = 875,679.43 × 348,069.11
  4. Step 4: Simplify right side
    634,554.23x = 304,796,959,845.41
  5. Step 5: Solve for x
    x = 304,796,959,845.41/634,554.23
  6. Step 6: Final answer
    x = 480,332.41

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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.