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Finding the Fourth Proportional to 384,694.40, 577,041.60 and 366,323.60

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Solution

The fourth proportional to 384,694.40, 577,041.60 and 366,323.60 is: 549,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,694.40 : 577,041.60 = 366,323.60 : x
  2. Step 2: Convert to fraction form
    384,694.40/577,041.60 = 366,323.60/x
  3. Step 3: Cross multiply
    384,694.40x = 577,041.60 × 366,323.60
  4. Step 4: Simplify right side
    384,694.40x = 211,383,956,261.76
  5. Step 5: Solve for x
    x = 211,383,956,261.76/384,694.40
  6. Step 6: Final answer
    x = 549,485.40

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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.