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Finding the Fourth Proportional to 508,150.56, 761,055.62 and 294,387.81

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Solution

The fourth proportional to 508,150.56, 761,055.62 and 294,387.81 is: 440,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,150.56 : 761,055.62 = 294,387.81 : x
  2. Step 2: Convert to fraction form
    508,150.56/761,055.62 = 294,387.81/x
  3. Step 3: Cross multiply
    508,150.56x = 761,055.62 × 294,387.81
  4. Step 4: Simplify right side
    508,150.56x = 224,045,492,934.10
  5. Step 5: Solve for x
    x = 224,045,492,934.10/508,150.56
  6. Step 6: Final answer
    x = 440,903.76

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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.