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Finding the Fourth Proportional to 622,801.20, 934,201.80 and 373,969.20

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Solution

The fourth proportional to 622,801.20, 934,201.80 and 373,969.20 is: 560,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,801.20 : 934,201.80 = 373,969.20 : x
  2. Step 2: Convert to fraction form
    622,801.20/934,201.80 = 373,969.20/x
  3. Step 3: Cross multiply
    622,801.20x = 934,201.80 × 373,969.20
  4. Step 4: Simplify right side
    622,801.20x = 349,362,699,784.56
  5. Step 5: Solve for x
    x = 349,362,699,784.56/622,801.20
  6. Step 6: Final answer
    x = 560,953.80

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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.