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Finding the Fourth Proportional to 354,272.94, 529,335.81 and 341,870.22

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Solution

The fourth proportional to 354,272.94, 529,335.81 and 341,870.22 is: 510,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,272.94 : 529,335.81 = 341,870.22 : x
  2. Step 2: Convert to fraction form
    354,272.94/529,335.81 = 341,870.22/x
  3. Step 3: Cross multiply
    354,272.94x = 529,335.81 × 341,870.22
  4. Step 4: Simplify right side
    354,272.94x = 180,964,149,818.58
  5. Step 5: Solve for x
    x = 180,964,149,818.58/354,272.94
  6. Step 6: Final answer
    x = 510,804.32

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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.