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Finding the Fourth Proportional to 493,872.60, 740,808.90 and 341,657.40

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Solution

The fourth proportional to 493,872.60, 740,808.90 and 341,657.40 is: 512,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,872.60 : 740,808.90 = 341,657.40 : x
  2. Step 2: Convert to fraction form
    493,872.60/740,808.90 = 341,657.40/x
  3. Step 3: Cross multiply
    493,872.60x = 740,808.90 × 341,657.40
  4. Step 4: Simplify right side
    493,872.60x = 253,102,842,670.86
  5. Step 5: Solve for x
    x = 253,102,842,670.86/493,872.60
  6. Step 6: Final answer
    x = 512,486.10

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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.