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Finding the Fourth Proportional to 328,987.28, 493,527.93 and 101,302.13

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Solution

The fourth proportional to 328,987.28, 493,527.93 and 101,302.13 is: 151,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,987.28 : 493,527.93 = 101,302.13 : x
  2. Step 2: Convert to fraction form
    328,987.28/493,527.93 = 101,302.13/x
  3. Step 3: Cross multiply
    328,987.28x = 493,527.93 × 101,302.13
  4. Step 4: Simplify right side
    328,987.28x = 49,995,431,377.43
  5. Step 5: Solve for x
    x = 49,995,431,377.43/328,987.28
  6. Step 6: Final answer
    x = 151,967.67

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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.