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Finding the Fourth Proportional to 602,563.67, 831,510.03 and 330,624.80

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Solution

The fourth proportional to 602,563.67, 831,510.03 and 330,624.80 is: 456,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,563.67 : 831,510.03 = 330,624.80 : x
  2. Step 2: Convert to fraction form
    602,563.67/831,510.03 = 330,624.80/x
  3. Step 3: Cross multiply
    602,563.67x = 831,510.03 × 330,624.80
  4. Step 4: Simplify right side
    602,563.67x = 274,917,837,567.20
  5. Step 5: Solve for x
    x = 274,917,837,567.20/602,563.67
  6. Step 6: Final answer
    x = 456,246.95

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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.