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Finding the Fourth Proportional to 698,185.94, 963,192.92 and 439,906.10

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Solution

The fourth proportional to 698,185.94, 963,192.92 and 439,906.10 is: 606,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,185.94 : 963,192.92 = 439,906.10 : x
  2. Step 2: Convert to fraction form
    698,185.94/963,192.92 = 439,906.10/x
  3. Step 3: Cross multiply
    698,185.94x = 963,192.92 × 439,906.10
  4. Step 4: Simplify right side
    698,185.94x = 423,714,433,969.32
  5. Step 5: Solve for x
    x = 423,714,433,969.32/698,185.94
  6. Step 6: Final answer
    x = 606,879.07

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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.