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Finding the Fourth Proportional to 835,392, 1,152,910.08 and 477,765.12

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Solution

The fourth proportional to 835,392, 1,152,910.08 and 477,765.12 is: 659,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,392 : 1,152,910.08 = 477,765.12 : x
  2. Step 2: Convert to fraction form
    835,392/1,152,910.08 = 477,765.12/x
  3. Step 3: Cross multiply
    835,392x = 1,152,910.08 × 477,765.12
  4. Step 4: Simplify right side
    835,392x = 550,820,222,720.41
  5. Step 5: Solve for x
    x = 550,820,222,720.41/835,392
  6. Step 6: Final answer
    x = 659,355.40

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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.