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Finding the Fourth Proportional to 240,612.30, 360,918.45 and 170,628.30

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Solution

The fourth proportional to 240,612.30, 360,918.45 and 170,628.30 is: 255,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,612.30 : 360,918.45 = 170,628.30 : x
  2. Step 2: Convert to fraction form
    240,612.30/360,918.45 = 170,628.30/x
  3. Step 3: Cross multiply
    240,612.30x = 360,918.45 × 170,628.30
  4. Step 4: Simplify right side
    240,612.30x = 61,582,901,562.14
  5. Step 5: Solve for x
    x = 61,582,901,562.14/240,612.30
  6. Step 6: Final answer
    x = 255,942.45

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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.