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Finding the Fourth Proportional to 293,665.02, 440,482.41 and 172,153.01

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Solution

The fourth proportional to 293,665.02, 440,482.41 and 172,153.01 is: 258,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,665.02 : 440,482.41 = 172,153.01 : x
  2. Step 2: Convert to fraction form
    293,665.02/440,482.41 = 172,153.01/x
  3. Step 3: Cross multiply
    293,665.02x = 440,482.41 × 172,153.01
  4. Step 4: Simplify right side
    293,665.02x = 75,830,372,733.55
  5. Step 5: Solve for x
    x = 75,830,372,733.55/293,665.02
  6. Step 6: Final answer
    x = 258,220.65

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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.