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Finding the Fourth Proportional to 590,529.20, 885,923.40 and 191,188.40

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Solution

The fourth proportional to 590,529.20, 885,923.40 and 191,188.40 is: 286,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,529.20 : 885,923.40 = 191,188.40 : x
  2. Step 2: Convert to fraction form
    590,529.20/885,923.40 = 191,188.40/x
  3. Step 3: Cross multiply
    590,529.20x = 885,923.40 × 191,188.40
  4. Step 4: Simplify right side
    590,529.20x = 169,378,277,368.56
  5. Step 5: Solve for x
    x = 169,378,277,368.56/590,529.20
  6. Step 6: Final answer
    x = 286,824.56

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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.