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Finding the Fourth Proportional to 296,852.80, 445,538.40 and 237,539.20

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Solution

The fourth proportional to 296,852.80, 445,538.40 and 237,539.20 is: 356,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,852.80 : 445,538.40 = 237,539.20 : x
  2. Step 2: Convert to fraction form
    296,852.80/445,538.40 = 237,539.20/x
  3. Step 3: Cross multiply
    296,852.80x = 445,538.40 × 237,539.20
  4. Step 4: Simplify right side
    296,852.80x = 105,832,835,105.28
  5. Step 5: Solve for x
    x = 105,832,835,105.28/296,852.80
  6. Step 6: Final answer
    x = 356,516.21

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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.