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Finding the Fourth Proportional to 328,955.58, 493,035.76 and 160,223.06

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Solution

The fourth proportional to 328,955.58, 493,035.76 and 160,223.06 is: 240,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,955.58 : 493,035.76 = 160,223.06 : x
  2. Step 2: Convert to fraction form
    328,955.58/493,035.76 = 160,223.06/x
  3. Step 3: Cross multiply
    328,955.58x = 493,035.76 × 160,223.06
  4. Step 4: Simplify right side
    328,955.58x = 78,995,699,589.49
  5. Step 5: Solve for x
    x = 78,995,699,589.49/328,955.58
  6. Step 6: Final answer
    x = 240,140.93

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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.