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Finding the Fourth Proportional to 600,485.81, 828,671.03 and 345,837.61

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Solution

The fourth proportional to 600,485.81, 828,671.03 and 345,837.61 is: 477,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,485.81 : 828,671.03 = 345,837.61 : x
  2. Step 2: Convert to fraction form
    600,485.81/828,671.03 = 345,837.61/x
  3. Step 3: Cross multiply
    600,485.81x = 828,671.03 × 345,837.61
  4. Step 4: Simplify right side
    600,485.81x = 286,585,607,284.36
  5. Step 5: Solve for x
    x = 286,585,607,284.36/600,485.81
  6. Step 6: Final answer
    x = 477,256.25

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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.