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Finding the Fourth Proportional to 1,298,593.95, 1,947,890.94 and 351,964.67

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Solution

The fourth proportional to 1,298,593.95, 1,947,890.94 and 351,964.67 is: 527,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,593.95 : 1,947,890.94 = 351,964.67 : x
  2. Step 2: Convert to fraction form
    1,298,593.95/1,947,890.94 = 351,964.67/x
  3. Step 3: Cross multiply
    1,298,593.95x = 1,947,890.94 × 351,964.67
  4. Step 4: Simplify right side
    1,298,593.95x = 685,588,782,153.64
  5. Step 5: Solve for x
    x = 685,588,782,153.64/1,298,593.95
  6. Step 6: Final answer
    x = 527,947.00

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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.