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Finding the Fourth Proportional to 479,454.96, 719,299.53 and 159,606.21

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Solution

The fourth proportional to 479,454.96, 719,299.53 and 159,606.21 is: 239,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,454.96 : 719,299.53 = 159,606.21 : x
  2. Step 2: Convert to fraction form
    479,454.96/719,299.53 = 159,606.21/x
  3. Step 3: Cross multiply
    479,454.96x = 719,299.53 × 159,606.21
  4. Step 4: Simplify right side
    479,454.96x = 114,804,671,838.08
  5. Step 5: Solve for x
    x = 114,804,671,838.08/479,454.96
  6. Step 6: Final answer
    x = 239,448.29

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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.