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Finding the Fourth Proportional to 627,958.48, 941,970.32 and 207,267.16

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Solution

The fourth proportional to 627,958.48, 941,970.32 and 207,267.16 is: 310,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,958.48 : 941,970.32 = 207,267.16 : x
  2. Step 2: Convert to fraction form
    627,958.48/941,970.32 = 207,267.16/x
  3. Step 3: Cross multiply
    627,958.48x = 941,970.32 × 207,267.16
  4. Step 4: Simplify right side
    627,958.48x = 195,239,513,030.69
  5. Step 5: Solve for x
    x = 195,239,513,030.69/627,958.48
  6. Step 6: Final answer
    x = 310,911.50

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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.