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Finding the Fourth Proportional to 346,086.20, 483,339.70 and 346,086.20

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Solution

The fourth proportional to 346,086.20, 483,339.70 and 346,086.20 is: 483,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,086.20 : 483,339.70 = 346,086.20 : x
  2. Step 2: Convert to fraction form
    346,086.20/483,339.70 = 346,086.20/x
  3. Step 3: Cross multiply
    346,086.20x = 483,339.70 × 346,086.20
  4. Step 4: Simplify right side
    346,086.20x = 167,277,200,082.14
  5. Step 5: Solve for x
    x = 167,277,200,082.14/346,086.20
  6. Step 6: Final answer
    x = 483,339.70

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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.