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Finding the Fourth Proportional to 413,173.40, 619,762.82 and 113,685.62

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Solution

The fourth proportional to 413,173.40, 619,762.82 and 113,685.62 is: 170,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,173.40 : 619,762.82 = 113,685.62 : x
  2. Step 2: Convert to fraction form
    413,173.40/619,762.82 = 113,685.62/x
  3. Step 3: Cross multiply
    413,173.40x = 619,762.82 × 113,685.62
  4. Step 4: Simplify right side
    413,173.40x = 70,458,116,777.41
  5. Step 5: Solve for x
    x = 70,458,116,777.41/413,173.40
  6. Step 6: Final answer
    x = 170,529.17

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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.