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Finding the Fourth Proportional to 577,376.10, 867,048.30 and 410,070.60

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Solution

The fourth proportional to 577,376.10, 867,048.30 and 410,070.60 is: 615,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,376.10 : 867,048.30 = 410,070.60 : x
  2. Step 2: Convert to fraction form
    577,376.10/867,048.30 = 410,070.60/x
  3. Step 3: Cross multiply
    577,376.10x = 867,048.30 × 410,070.60
  4. Step 4: Simplify right side
    577,376.10x = 355,551,016,609.98
  5. Step 5: Solve for x
    x = 355,551,016,609.98/577,376.10
  6. Step 6: Final answer
    x = 615,804.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.