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Finding the Fourth Proportional to 554,237.66, 764,847.64 and 299,588.84

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Solution

The fourth proportional to 554,237.66, 764,847.64 and 299,588.84 is: 413,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,237.66 : 764,847.64 = 299,588.84 : x
  2. Step 2: Convert to fraction form
    554,237.66/764,847.64 = 299,588.84/x
  3. Step 3: Cross multiply
    554,237.66x = 764,847.64 × 299,588.84
  4. Step 4: Simplify right side
    554,237.66x = 229,139,818,407.49
  5. Step 5: Solve for x
    x = 229,139,818,407.49/554,237.66
  6. Step 6: Final answer
    x = 413,432.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.