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Finding the Fourth Proportional to 797,647.16, 1,100,756.51 and 435,078.80

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Solution

The fourth proportional to 797,647.16, 1,100,756.51 and 435,078.80 is: 600,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,647.16 : 1,100,756.51 = 435,078.80 : x
  2. Step 2: Convert to fraction form
    797,647.16/1,100,756.51 = 435,078.80/x
  3. Step 3: Cross multiply
    797,647.16x = 1,100,756.51 × 435,078.80
  4. Step 4: Simplify right side
    797,647.16x = 478,915,813,783.81
  5. Step 5: Solve for x
    x = 478,915,813,783.81/797,647.16
  6. Step 6: Final answer
    x = 600,410.61

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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.