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Finding the Fourth Proportional to 602,870.98, 831,958.66 and 330,943.50

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Solution

The fourth proportional to 602,870.98, 831,958.66 and 330,943.50 is: 456,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,870.98 : 831,958.66 = 330,943.50 : x
  2. Step 2: Convert to fraction form
    602,870.98/831,958.66 = 330,943.50/x
  3. Step 3: Cross multiply
    602,870.98x = 831,958.66 × 330,943.50
  4. Step 4: Simplify right side
    602,870.98x = 275,331,310,795.71
  5. Step 5: Solve for x
    x = 275,331,310,795.71/602,870.98
  6. Step 6: Final answer
    x = 456,700.22

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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.