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Finding the Fourth Proportional to 504,451.59, 756,720.81 and 144,623.87

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Solution

The fourth proportional to 504,451.59, 756,720.81 and 144,623.87 is: 216,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,451.59 : 756,720.81 = 144,623.87 : x
  2. Step 2: Convert to fraction form
    504,451.59/756,720.81 = 144,623.87/x
  3. Step 3: Cross multiply
    504,451.59x = 756,720.81 × 144,623.87
  4. Step 4: Simplify right side
    504,451.59x = 109,439,892,051.74
  5. Step 5: Solve for x
    x = 109,439,892,051.74/504,451.59
  6. Step 6: Final answer
    x = 216,948.25

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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.