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Finding the Fourth Proportional to 612,358.07, 845,466.50 and 547,626.47

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Solution

The fourth proportional to 612,358.07, 845,466.50 and 547,626.47 is: 756,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,358.07 : 845,466.50 = 547,626.47 : x
  2. Step 2: Convert to fraction form
    612,358.07/845,466.50 = 547,626.47/x
  3. Step 3: Cross multiply
    612,358.07x = 845,466.50 × 547,626.47
  4. Step 4: Simplify right side
    612,358.07x = 462,999,832,039.99
  5. Step 5: Solve for x
    x = 462,999,832,039.99/612,358.07
  6. Step 6: Final answer
    x = 756,093.30

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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.