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Finding the Fourth Proportional to 353,852.50, 530,868.66 and 104,534.50

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Solution

The fourth proportional to 353,852.50, 530,868.66 and 104,534.50 is: 156,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,852.50 : 530,868.66 = 104,534.50 : x
  2. Step 2: Convert to fraction form
    353,852.50/530,868.66 = 104,534.50/x
  3. Step 3: Cross multiply
    353,852.50x = 530,868.66 × 104,534.50
  4. Step 4: Simplify right side
    353,852.50x = 55,494,089,938.77
  5. Step 5: Solve for x
    x = 55,494,089,938.77/353,852.50
  6. Step 6: Final answer
    x = 156,828.31

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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.