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Finding the Fourth Proportional to 901,989, 1,353,094.74 and 294,762.96

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Solution

The fourth proportional to 901,989, 1,353,094.74 and 294,762.96 is: 442,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,989 : 1,353,094.74 = 294,762.96 : x
  2. Step 2: Convert to fraction form
    901,989/1,353,094.74 = 294,762.96/x
  3. Step 3: Cross multiply
    901,989x = 1,353,094.74 × 294,762.96
  4. Step 4: Simplify right side
    901,989x = 398,842,210,722.83
  5. Step 5: Solve for x
    x = 398,842,210,722.83/901,989
  6. Step 6: Final answer
    x = 442,180.79

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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.