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Finding the Fourth Proportional to 601,084.80, 902,210.40 and 301,903.20

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Solution

The fourth proportional to 601,084.80, 902,210.40 and 301,903.20 is: 453,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,084.80 : 902,210.40 = 301,903.20 : x
  2. Step 2: Convert to fraction form
    601,084.80/902,210.40 = 301,903.20/x
  3. Step 3: Cross multiply
    601,084.80x = 902,210.40 × 301,903.20
  4. Step 4: Simplify right side
    601,084.80x = 272,380,206,833.28
  5. Step 5: Solve for x
    x = 272,380,206,833.28/601,084.80
  6. Step 6: Final answer
    x = 453,147.72

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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.