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Finding the Fourth Proportional to 833,938.12, 1,150,836.60 and 451,964.80

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Solution

The fourth proportional to 833,938.12, 1,150,836.60 and 451,964.80 is: 623,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,938.12 : 1,150,836.60 = 451,964.80 : x
  2. Step 2: Convert to fraction form
    833,938.12/1,150,836.60 = 451,964.80/x
  3. Step 3: Cross multiply
    833,938.12x = 1,150,836.60 × 451,964.80
  4. Step 4: Simplify right side
    833,938.12x = 520,137,633,751.68
  5. Step 5: Solve for x
    x = 520,137,633,751.68/833,938.12
  6. Step 6: Final answer
    x = 623,712.50

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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.