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Finding the Fourth Proportional to 607,465.50, 838,302.42 and 339,193.50

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Solution

The fourth proportional to 607,465.50, 838,302.42 and 339,193.50 is: 468,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,465.50 : 838,302.42 = 339,193.50 : x
  2. Step 2: Convert to fraction form
    607,465.50/838,302.42 = 339,193.50/x
  3. Step 3: Cross multiply
    607,465.50x = 838,302.42 × 339,193.50
  4. Step 4: Simplify right side
    607,465.50x = 284,346,731,898.27
  5. Step 5: Solve for x
    x = 284,346,731,898.27/607,465.50
  6. Step 6: Final answer
    x = 468,087.05

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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.