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Finding the Fourth Proportional to 623,805.20, 933,958.20 and 606,309.20

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Solution

The fourth proportional to 623,805.20, 933,958.20 and 606,309.20 is: 907,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,805.20 : 933,958.20 = 606,309.20 : x
  2. Step 2: Convert to fraction form
    623,805.20/933,958.20 = 606,309.20/x
  3. Step 3: Cross multiply
    623,805.20x = 933,958.20 × 606,309.20
  4. Step 4: Simplify right side
    623,805.20x = 566,267,449,075.44
  5. Step 5: Solve for x
    x = 566,267,449,075.44/623,805.20
  6. Step 6: Final answer
    x = 907,763.27

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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.