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Finding the Fourth Proportional to 346,593.40, 519,890.10 and 197,294.20

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Solution

The fourth proportional to 346,593.40, 519,890.10 and 197,294.20 is: 295,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,593.40 : 519,890.10 = 197,294.20 : x
  2. Step 2: Convert to fraction form
    346,593.40/519,890.10 = 197,294.20/x
  3. Step 3: Cross multiply
    346,593.40x = 519,890.10 × 197,294.20
  4. Step 4: Simplify right side
    346,593.40x = 102,571,301,367.42
  5. Step 5: Solve for x
    x = 102,571,301,367.42/346,593.40
  6. Step 6: Final answer
    x = 295,941.30

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Double scale
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Similar ratio
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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.