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Finding the Fourth Proportional to 797,646.66, 1,100,755.82 and 435,078.30

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Solution

The fourth proportional to 797,646.66, 1,100,755.82 and 435,078.30 is: 600,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,646.66 : 1,100,755.82 = 435,078.30 : x
  2. Step 2: Convert to fraction form
    797,646.66/1,100,755.82 = 435,078.30/x
  3. Step 3: Cross multiply
    797,646.66x = 1,100,755.82 × 435,078.30
  4. Step 4: Simplify right side
    797,646.66x = 478,914,970,880.71
  5. Step 5: Solve for x
    x = 478,914,970,880.71/797,646.66
  6. Step 6: Final answer
    x = 600,409.92

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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.