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Finding the Fourth Proportional to 470,094.84, 648,734.27 and 255,235.05

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Solution

The fourth proportional to 470,094.84, 648,734.27 and 255,235.05 is: 352,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,094.84 : 648,734.27 = 255,235.05 : x
  2. Step 2: Convert to fraction form
    470,094.84/648,734.27 = 255,235.05/x
  3. Step 3: Cross multiply
    470,094.84x = 648,734.27 × 255,235.05
  4. Step 4: Simplify right side
    470,094.84x = 165,579,722,563.99
  5. Step 5: Solve for x
    x = 165,579,722,563.99/470,094.84
  6. Step 6: Final answer
    x = 352,226.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.