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Finding the Fourth Proportional to 571,752.84, 788,760.18 and 356,945.88

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Solution

The fourth proportional to 571,752.84, 788,760.18 and 356,945.88 is: 492,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,752.84 : 788,760.18 = 356,945.88 : x
  2. Step 2: Convert to fraction form
    571,752.84/788,760.18 = 356,945.88/x
  3. Step 3: Cross multiply
    571,752.84x = 788,760.18 × 356,945.88
  4. Step 4: Simplify right side
    571,752.84x = 281,544,696,559.06
  5. Step 5: Solve for x
    x = 281,544,696,559.06/571,752.84
  6. Step 6: Final answer
    x = 492,423.78

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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.