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Finding the Fourth Proportional to 571,994, 858,228.96 and 251,982.08

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Solution

The fourth proportional to 571,994, 858,228.96 and 251,982.08 is: 378,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,994 : 858,228.96 = 251,982.08 : x
  2. Step 2: Convert to fraction form
    571,994/858,228.96 = 251,982.08/x
  3. Step 3: Cross multiply
    571,994x = 858,228.96 × 251,982.08
  4. Step 4: Simplify right side
    571,994x = 216,258,318,457.04
  5. Step 5: Solve for x
    x = 216,258,318,457.04/571,994
  6. Step 6: Final answer
    x = 378,077.95

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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.