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Finding the Fourth Proportional to 622,809.06, 859,472.59 and 350,964.28

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Solution

The fourth proportional to 622,809.06, 859,472.59 and 350,964.28 is: 484,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,809.06 : 859,472.59 = 350,964.28 : x
  2. Step 2: Convert to fraction form
    622,809.06/859,472.59 = 350,964.28/x
  3. Step 3: Cross multiply
    622,809.06x = 859,472.59 × 350,964.28
  4. Step 4: Simplify right side
    622,809.06x = 301,644,175,702.99
  5. Step 5: Solve for x
    x = 301,644,175,702.99/622,809.06
  6. Step 6: Final answer
    x = 484,328.50

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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.