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Finding the Fourth Proportional to 612,433.62, 918,591.02 and 185,973.14

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Solution

The fourth proportional to 612,433.62, 918,591.02 and 185,973.14 is: 278,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,433.62 : 918,591.02 = 185,973.14 : x
  2. Step 2: Convert to fraction form
    612,433.62/918,591.02 = 185,973.14/x
  3. Step 3: Cross multiply
    612,433.62x = 918,591.02 × 185,973.14
  4. Step 4: Simplify right side
    612,433.62x = 170,833,256,365.20
  5. Step 5: Solve for x
    x = 170,833,256,365.20/612,433.62
  6. Step 6: Final answer
    x = 278,941.67

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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.