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Finding the Fourth Proportional to 572,645.24, 858,966.84 and 146,181

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Solution

The fourth proportional to 572,645.24, 858,966.84 and 146,181 is: 219,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,645.24 : 858,966.84 = 146,181 : x
  2. Step 2: Convert to fraction form
    572,645.24/858,966.84 = 146,181/x
  3. Step 3: Cross multiply
    572,645.24x = 858,966.84 × 146,181
  4. Step 4: Simplify right side
    572,645.24x = 125,564,631,638.04
  5. Step 5: Solve for x
    x = 125,564,631,638.04/572,645.24
  6. Step 6: Final answer
    x = 219,271.24

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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.