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Finding the Fourth Proportional to 654,656.70, 979,911.45 and 468,032.70

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Solution

The fourth proportional to 654,656.70, 979,911.45 and 468,032.70 is: 700,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,656.70 : 979,911.45 = 468,032.70 : x
  2. Step 2: Convert to fraction form
    654,656.70/979,911.45 = 468,032.70/x
  3. Step 3: Cross multiply
    654,656.70x = 979,911.45 × 468,032.70
  4. Step 4: Simplify right side
    654,656.70x = 458,630,601,704.42
  5. Step 5: Solve for x
    x = 458,630,601,704.42/654,656.70
  6. Step 6: Final answer
    x = 700,566.57

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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.