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Finding the Fourth Proportional to 462,888.96, 638,756.56 and 258,904.48

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Solution

The fourth proportional to 462,888.96, 638,756.56 and 258,904.48 is: 357,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,888.96 : 638,756.56 = 258,904.48 : x
  2. Step 2: Convert to fraction form
    462,888.96/638,756.56 = 258,904.48/x
  3. Step 3: Cross multiply
    462,888.96x = 638,756.56 × 258,904.48
  4. Step 4: Simplify right side
    462,888.96x = 165,376,935,013.39
  5. Step 5: Solve for x
    x = 165,376,935,013.39/462,888.96
  6. Step 6: Final answer
    x = 357,271.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.