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Finding the Fourth Proportional to 623,917.22, 935,941.43 and 203,225.90

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Solution

The fourth proportional to 623,917.22, 935,941.43 and 203,225.90 is: 304,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,917.22 : 935,941.43 = 203,225.90 : x
  2. Step 2: Convert to fraction form
    623,917.22/935,941.43 = 203,225.90/x
  3. Step 3: Cross multiply
    623,917.22x = 935,941.43 × 203,225.90
  4. Step 4: Simplify right side
    623,917.22x = 190,207,535,287.40
  5. Step 5: Solve for x
    x = 190,207,535,287.40/623,917.22
  6. Step 6: Final answer
    x = 304,860.21

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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.