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Finding the Fourth Proportional to 446,762.91, 670,227.37 and 147,264.51

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Solution

The fourth proportional to 446,762.91, 670,227.37 and 147,264.51 is: 220,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,762.91 : 670,227.37 = 147,264.51 : x
  2. Step 2: Convert to fraction form
    446,762.91/670,227.37 = 147,264.51/x
  3. Step 3: Cross multiply
    446,762.91x = 670,227.37 × 147,264.51
  4. Step 4: Simplify right side
    446,762.91x = 98,700,704,495.32
  5. Step 5: Solve for x
    x = 98,700,704,495.32/446,762.91
  6. Step 6: Final answer
    x = 220,924.12

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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.