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Finding the Fourth Proportional to 623,690.20, 933,785.70 and 606,194.20

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Solution

The fourth proportional to 623,690.20, 933,785.70 and 606,194.20 is: 907,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,690.20 : 933,785.70 = 606,194.20 : x
  2. Step 2: Convert to fraction form
    623,690.20/933,785.70 = 606,194.20/x
  3. Step 3: Cross multiply
    623,690.20x = 933,785.70 × 606,194.20
  4. Step 4: Simplify right side
    623,690.20x = 566,055,475,382.94
  5. Step 5: Solve for x
    x = 566,055,475,382.94/623,690.20
  6. Step 6: Final answer
    x = 907,590.78

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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.