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Finding the Fourth Proportional to 571,604.40, 856,823.40 and 334,825.20

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Solution

The fourth proportional to 571,604.40, 856,823.40 and 334,825.20 is: 501,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,604.40 : 856,823.40 = 334,825.20 : x
  2. Step 2: Convert to fraction form
    571,604.40/856,823.40 = 334,825.20/x
  3. Step 3: Cross multiply
    571,604.40x = 856,823.40 × 334,825.20
  4. Step 4: Simplify right side
    571,604.40x = 286,886,066,269.68
  5. Step 5: Solve for x
    x = 286,886,066,269.68/571,604.40
  6. Step 6: Final answer
    x = 501,896.18

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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.