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Finding the Fourth Proportional to 452,356.99, 624,208.45 and 261,366.28

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Solution

The fourth proportional to 452,356.99, 624,208.45 and 261,366.28 is: 360,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,356.99 : 624,208.45 = 261,366.28 : x
  2. Step 2: Convert to fraction form
    452,356.99/624,208.45 = 261,366.28/x
  3. Step 3: Cross multiply
    452,356.99x = 624,208.45 × 261,366.28
  4. Step 4: Simplify right side
    452,356.99x = 163,147,040,521.07
  5. Step 5: Solve for x
    x = 163,147,040,521.07/452,356.99
  6. Step 6: Final answer
    x = 360,659.93

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1.5x scale

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.