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Finding the Fourth Proportional to 346,763.01, 520,154.24 and 169,411.89

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Solution

The fourth proportional to 346,763.01, 520,154.24 and 169,411.89 is: 254,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,763.01 : 520,154.24 = 169,411.89 : x
  2. Step 2: Convert to fraction form
    346,763.01/520,154.24 = 169,411.89/x
  3. Step 3: Cross multiply
    346,763.01x = 520,154.24 × 169,411.89
  4. Step 4: Simplify right side
    346,763.01x = 88,120,312,889.91
  5. Step 5: Solve for x
    x = 88,120,312,889.91/346,763.01
  6. Step 6: Final answer
    x = 254,122.59

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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.