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Finding the Fourth Proportional to 612,810.94, 845,333.73 and 367,732.30

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Solution

The fourth proportional to 612,810.94, 845,333.73 and 367,732.30 is: 507,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,810.94 : 845,333.73 = 367,732.30 : x
  2. Step 2: Convert to fraction form
    612,810.94/845,333.73 = 367,732.30/x
  3. Step 3: Cross multiply
    612,810.94x = 845,333.73 × 367,732.30
  4. Step 4: Simplify right side
    612,810.94x = 310,856,516,800.48
  5. Step 5: Solve for x
    x = 310,856,516,800.48/612,810.94
  6. Step 6: Final answer
    x = 507,263.33

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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.