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Finding the Fourth Proportional to 628,220.04, 866,957.70 and 341,755.56

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Solution

The fourth proportional to 628,220.04, 866,957.70 and 341,755.56 is: 471,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,220.04 : 866,957.70 = 341,755.56 : x
  2. Step 2: Convert to fraction form
    628,220.04/866,957.70 = 341,755.56/x
  3. Step 3: Cross multiply
    628,220.04x = 866,957.70 × 341,755.56
  4. Step 4: Simplify right side
    628,220.04x = 296,287,614,259.81
  5. Step 5: Solve for x
    x = 296,287,614,259.81/628,220.04
  6. Step 6: Final answer
    x = 471,630.31

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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.