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Finding the Fourth Proportional to 357,618.30, 536,427.45 and 108,300.30

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Solution

The fourth proportional to 357,618.30, 536,427.45 and 108,300.30 is: 162,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,618.30 : 536,427.45 = 108,300.30 : x
  2. Step 2: Convert to fraction form
    357,618.30/536,427.45 = 108,300.30/x
  3. Step 3: Cross multiply
    357,618.30x = 536,427.45 × 108,300.30
  4. Step 4: Simplify right side
    357,618.30x = 58,095,253,763.24
  5. Step 5: Solve for x
    x = 58,095,253,763.24/357,618.30
  6. Step 6: Final answer
    x = 162,450.45

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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.