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Finding the Fourth Proportional to 571,994.87, 857,482.47 and 217,258.01

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Solution

The fourth proportional to 571,994.87, 857,482.47 and 217,258.01 is: 325,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,994.87 : 857,482.47 = 217,258.01 : x
  2. Step 2: Convert to fraction form
    571,994.87/857,482.47 = 217,258.01/x
  3. Step 3: Cross multiply
    571,994.87x = 857,482.47 × 217,258.01
  4. Step 4: Simplify right side
    571,994.87x = 186,294,935,042.09
  5. Step 5: Solve for x
    x = 186,294,935,042.09/571,994.87
  6. Step 6: Final answer
    x = 325,693.37

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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.