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Finding the Fourth Proportional to 590,632.40, 886,078.20 and 191,205.20

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Solution

The fourth proportional to 590,632.40, 886,078.20 and 191,205.20 is: 286,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,632.40 : 886,078.20 = 191,205.20 : x
  2. Step 2: Convert to fraction form
    590,632.40/886,078.20 = 191,205.20/x
  3. Step 3: Cross multiply
    590,632.40x = 886,078.20 × 191,205.20
  4. Step 4: Simplify right side
    590,632.40x = 169,422,759,446.64
  5. Step 5: Solve for x
    x = 169,422,759,446.64/590,632.40
  6. Step 6: Final answer
    x = 286,849.76

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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.