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Finding the Fourth Proportional to 571,599.17, 857,315.28 and 166,682.58

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Solution

The fourth proportional to 571,599.17, 857,315.28 and 166,682.58 is: 249,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,599.17 : 857,315.28 = 166,682.58 : x
  2. Step 2: Convert to fraction form
    571,599.17/857,315.28 = 166,682.58/x
  3. Step 3: Cross multiply
    571,599.17x = 857,315.28 × 166,682.58
  4. Step 4: Simplify right side
    571,599.17x = 142,899,518,457.25
  5. Step 5: Solve for x
    x = 142,899,518,457.25/571,599.17
  6. Step 6: Final answer
    x = 249,999.52

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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.