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Finding the Fourth Proportional to 571,894.67, 857,848.17 and 172,538.93

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Solution

The fourth proportional to 571,894.67, 857,848.17 and 172,538.93 is: 258,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,894.67 : 857,848.17 = 172,538.93 : x
  2. Step 2: Convert to fraction form
    571,894.67/857,848.17 = 172,538.93/x
  3. Step 3: Cross multiply
    571,894.67x = 857,848.17 × 172,538.93
  4. Step 4: Simplify right side
    571,894.67x = 148,012,205,354.26
  5. Step 5: Solve for x
    x = 148,012,205,354.26/571,894.67
  6. Step 6: Final answer
    x = 258,810.25

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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.