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Finding the Fourth Proportional to 246,985.20, 346,712.40 and 246,985.20

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Solution

The fourth proportional to 246,985.20, 346,712.40 and 246,985.20 is: 346,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,985.20 : 346,712.40 = 246,985.20 : x
  2. Step 2: Convert to fraction form
    246,985.20/346,712.40 = 246,985.20/x
  3. Step 3: Cross multiply
    246,985.20x = 346,712.40 × 246,985.20
  4. Step 4: Simplify right side
    246,985.20x = 85,632,831,456.48
  5. Step 5: Solve for x
    x = 85,632,831,456.48/246,985.20
  6. Step 6: Final answer
    x = 346,712.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.