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Finding the Fourth Proportional to 346,052.30, 518,094.30 and 266,664.20

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Solution

The fourth proportional to 346,052.30, 518,094.30 and 266,664.20 is: 399,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,052.30 : 518,094.30 = 266,664.20 : x
  2. Step 2: Convert to fraction form
    346,052.30/518,094.30 = 266,664.20/x
  3. Step 3: Cross multiply
    346,052.30x = 518,094.30 × 266,664.20
  4. Step 4: Simplify right side
    346,052.30x = 138,157,202,034.06
  5. Step 5: Solve for x
    x = 138,157,202,034.06/346,052.30
  6. Step 6: Final answer
    x = 399,237.92

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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.