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Finding the Fourth Proportional to 462,526.58, 638,483.43 and 281,296.72

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Solution

The fourth proportional to 462,526.58, 638,483.43 and 281,296.72 is: 388,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,526.58 : 638,483.43 = 281,296.72 : x
  2. Step 2: Convert to fraction form
    462,526.58/638,483.43 = 281,296.72/x
  3. Step 3: Cross multiply
    462,526.58x = 638,483.43 × 281,296.72
  4. Step 4: Simplify right side
    462,526.58x = 179,603,294,633.35
  5. Step 5: Solve for x
    x = 179,603,294,633.35/462,526.58
  6. Step 6: Final answer
    x = 388,309.13

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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.