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Finding the Fourth Proportional to 414,555.70, 618,600.32 and 369,875.30

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Solution

The fourth proportional to 414,555.70, 618,600.32 and 369,875.30 is: 551,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,555.70 : 618,600.32 = 369,875.30 : x
  2. Step 2: Convert to fraction form
    414,555.70/618,600.32 = 369,875.30/x
  3. Step 3: Cross multiply
    414,555.70x = 618,600.32 × 369,875.30
  4. Step 4: Simplify right side
    414,555.70x = 228,804,977,090.72
  5. Step 5: Solve for x
    x = 228,804,977,090.72/414,555.70
  6. Step 6: Final answer
    x = 551,928.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.