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Finding the Fourth Proportional to 898,085.88, 1,347,126.39 and 365,480.91

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Solution

The fourth proportional to 898,085.88, 1,347,126.39 and 365,480.91 is: 548,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,085.88 : 1,347,126.39 = 365,480.91 : x
  2. Step 2: Convert to fraction form
    898,085.88/1,347,126.39 = 365,480.91/x
  3. Step 3: Cross multiply
    898,085.88x = 1,347,126.39 × 365,480.91
  4. Step 4: Simplify right side
    898,085.88x = 492,348,978,902.22
  5. Step 5: Solve for x
    x = 492,348,978,902.22/898,085.88
  6. Step 6: Final answer
    x = 548,220.38

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1.5x scale

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.