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Finding the Fourth Proportional to 404,586.60, 606,686.07 and 191,176.92

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Solution

The fourth proportional to 404,586.60, 606,686.07 and 191,176.92 is: 286,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,586.60 : 606,686.07 = 191,176.92 : x
  2. Step 2: Convert to fraction form
    404,586.60/606,686.07 = 191,176.92/x
  3. Step 3: Cross multiply
    404,586.60x = 606,686.07 × 191,176.92
  4. Step 4: Simplify right side
    404,586.60x = 115,984,374,269.50
  5. Step 5: Solve for x
    x = 115,984,374,269.50/404,586.60
  6. Step 6: Final answer
    x = 286,673.79

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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.