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Finding the Fourth Proportional to 356,679.60, 533,982.60 and 346,311.60

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Solution

The fourth proportional to 356,679.60, 533,982.60 and 346,311.60 is: 518,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,679.60 : 533,982.60 = 346,311.60 : x
  2. Step 2: Convert to fraction form
    356,679.60/533,982.60 = 346,311.60/x
  3. Step 3: Cross multiply
    356,679.60x = 533,982.60 × 346,311.60
  4. Step 4: Simplify right side
    356,679.60x = 184,924,368,578.16
  5. Step 5: Solve for x
    x = 184,924,368,578.16/356,679.60
  6. Step 6: Final answer
    x = 518,460.74

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1.5x scale

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.