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Finding the Fourth Proportional to 1,275,848.82, 1,913,108.63 and 601,749.05

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Solution

The fourth proportional to 1,275,848.82, 1,913,108.63 and 601,749.05 is: 902,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,848.82 : 1,913,108.63 = 601,749.05 : x
  2. Step 2: Convert to fraction form
    1,275,848.82/1,913,108.63 = 601,749.05/x
  3. Step 3: Cross multiply
    1,275,848.82x = 1,913,108.63 × 601,749.05
  4. Step 4: Simplify right side
    1,275,848.82x = 1,151,211,298,836.25
  5. Step 5: Solve for x
    x = 1,151,211,298,836.25/1,275,848.82
  6. Step 6: Final answer
    x = 902,310.12

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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.