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Finding the Fourth Proportional to 370,570.89, 555,889.16 and 104,333.72

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Solution

The fourth proportional to 370,570.89, 555,889.16 and 104,333.72 is: 156,509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,570.89 : 555,889.16 = 104,333.72 : x
  2. Step 2: Convert to fraction form
    370,570.89/555,889.16 = 104,333.72/x
  3. Step 3: Cross multiply
    370,570.89x = 555,889.16 × 104,333.72
  4. Step 4: Simplify right side
    370,570.89x = 57,997,980,669.36
  5. Step 5: Solve for x
    x = 57,997,980,669.36/370,570.89
  6. Step 6: Final answer
    x = 156,509.81

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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.