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Finding the Fourth Proportional to 562,220.95, 775,865.85 and 332,963.18

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Solution

The fourth proportional to 562,220.95, 775,865.85 and 332,963.18 is: 459,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,220.95 : 775,865.85 = 332,963.18 : x
  2. Step 2: Convert to fraction form
    562,220.95/775,865.85 = 332,963.18/x
  3. Step 3: Cross multiply
    562,220.95x = 775,865.85 × 332,963.18
  4. Step 4: Simplify right side
    562,220.95x = 258,334,760,669.40
  5. Step 5: Solve for x
    x = 258,334,760,669.40/562,220.95
  6. Step 6: Final answer
    x = 459,489.75

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Double scale
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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.