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Finding the Fourth Proportional to 440,476.92, 660,715.40 and 191,158.92

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Solution

The fourth proportional to 440,476.92, 660,715.40 and 191,158.92 is: 286,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,476.92 : 660,715.40 = 191,158.92 : x
  2. Step 2: Convert to fraction form
    440,476.92/660,715.40 = 191,158.92/x
  3. Step 3: Cross multiply
    440,476.92x = 660,715.40 × 191,158.92
  4. Step 4: Simplify right side
    440,476.92x = 126,301,642,291.37
  5. Step 5: Solve for x
    x = 126,301,642,291.37/440,476.92
  6. Step 6: Final answer
    x = 286,738.39

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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.