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Finding the Fourth Proportional to 644,457.84, 967,130.52 and 223,733.71

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Solution

The fourth proportional to 644,457.84, 967,130.52 and 223,733.71 is: 335,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,457.84 : 967,130.52 = 223,733.71 : x
  2. Step 2: Convert to fraction form
    644,457.84/967,130.52 = 223,733.71/x
  3. Step 3: Cross multiply
    644,457.84x = 967,130.52 × 223,733.71
  4. Step 4: Simplify right side
    644,457.84x = 216,379,699,293.83
  5. Step 5: Solve for x
    x = 216,379,699,293.83/644,457.84
  6. Step 6: Final answer
    x = 335,754.62

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1.5x scale

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.