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Finding the Fourth Proportional to 480,099.42, 719,681.08 and 191,825.12

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Solution

The fourth proportional to 480,099.42, 719,681.08 and 191,825.12 is: 287,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,099.42 : 719,681.08 = 191,825.12 : x
  2. Step 2: Convert to fraction form
    480,099.42/719,681.08 = 191,825.12/x
  3. Step 3: Cross multiply
    480,099.42x = 719,681.08 × 191,825.12
  4. Step 4: Simplify right side
    480,099.42x = 138,052,909,532.73
  5. Step 5: Solve for x
    x = 138,052,909,532.73/480,099.42
  6. Step 6: Final answer
    x = 287,550.67

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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.