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Finding the Fourth Proportional to 470,669.94, 705,782.70 and 170,939.16

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Solution

The fourth proportional to 470,669.94, 705,782.70 and 170,939.16 is: 256,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,669.94 : 705,782.70 = 170,939.16 : x
  2. Step 2: Convert to fraction form
    470,669.94/705,782.70 = 170,939.16/x
  3. Step 3: Cross multiply
    470,669.94x = 705,782.70 × 170,939.16
  4. Step 4: Simplify right side
    470,669.94x = 120,645,901,880.53
  5. Step 5: Solve for x
    x = 120,645,901,880.53/470,669.94
  6. Step 6: Final answer
    x = 256,328.04

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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.