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Finding the Fourth Proportional to 884,640, 1,220,382.72 and 598,260.48

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Solution

The fourth proportional to 884,640, 1,220,382.72 and 598,260.48 is: 825,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,640 : 1,220,382.72 = 598,260.48 : x
  2. Step 2: Convert to fraction form
    884,640/1,220,382.72 = 598,260.48/x
  3. Step 3: Cross multiply
    884,640x = 1,220,382.72 × 598,260.48
  4. Step 4: Simplify right side
    884,640x = 730,106,751,850.91
  5. Step 5: Solve for x
    x = 730,106,751,850.91/884,640
  6. Step 6: Final answer
    x = 825,315.10

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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.