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Finding the Fourth Proportional to 489,303.36, 733,956.16 and 134,322.24

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Solution

The fourth proportional to 489,303.36, 733,956.16 and 134,322.24 is: 201,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,303.36 : 733,956.16 = 134,322.24 : x
  2. Step 2: Convert to fraction form
    489,303.36/733,956.16 = 134,322.24/x
  3. Step 3: Cross multiply
    489,303.36x = 733,956.16 × 134,322.24
  4. Step 4: Simplify right side
    489,303.36x = 98,586,635,473.00
  5. Step 5: Solve for x
    x = 98,586,635,473.00/489,303.36
  6. Step 6: Final answer
    x = 201,483.67

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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.