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Finding the Fourth Proportional to 353,538.01, 530,095.50 and 239,825.56

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Solution

The fourth proportional to 353,538.01, 530,095.50 and 239,825.56 is: 359,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,538.01 : 530,095.50 = 239,825.56 : x
  2. Step 2: Convert to fraction form
    353,538.01/530,095.50 = 239,825.56/x
  3. Step 3: Cross multiply
    353,538.01x = 530,095.50 × 239,825.56
  4. Step 4: Simplify right side
    353,538.01x = 127,130,450,140.98
  5. Step 5: Solve for x
    x = 127,130,450,140.98/353,538.01
  6. Step 6: Final answer
    x = 359,594.86

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1.5x scale

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.