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Finding the Fourth Proportional to 633,021.66, 948,497.31 and 609,402.06

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Solution

The fourth proportional to 633,021.66, 948,497.31 and 609,402.06 is: 913,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,021.66 : 948,497.31 = 609,402.06 : x
  2. Step 2: Convert to fraction form
    633,021.66/948,497.31 = 609,402.06/x
  3. Step 3: Cross multiply
    633,021.66x = 948,497.31 × 609,402.06
  4. Step 4: Simplify right side
    633,021.66x = 578,016,214,618.46
  5. Step 5: Solve for x
    x = 578,016,214,618.46/633,021.66
  6. Step 6: Final answer
    x = 913,106.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.