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Finding the Fourth Proportional to 623,107.89, 934,751.75 and 196,498.71

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Solution

The fourth proportional to 623,107.89, 934,751.75 and 196,498.71 is: 294,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,107.89 : 934,751.75 = 196,498.71 : x
  2. Step 2: Convert to fraction form
    623,107.89/934,751.75 = 196,498.71/x
  3. Step 3: Cross multiply
    623,107.89x = 934,751.75 × 196,498.71
  4. Step 4: Simplify right side
    623,107.89x = 183,677,512,062.75
  5. Step 5: Solve for x
    x = 183,677,512,062.75/623,107.89
  6. Step 6: Final answer
    x = 294,776.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.