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Finding the Fourth Proportional to 346,794.20, 520,205.70 and 110,130.20

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Solution

The fourth proportional to 346,794.20, 520,205.70 and 110,130.20 is: 165,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,794.20 : 520,205.70 = 110,130.20 : x
  2. Step 2: Convert to fraction form
    346,794.20/520,205.70 = 110,130.20/x
  3. Step 3: Cross multiply
    346,794.20x = 520,205.70 × 110,130.20
  4. Step 4: Simplify right side
    346,794.20x = 57,290,357,782.14
  5. Step 5: Solve for x
    x = 57,290,357,782.14/346,794.20
  6. Step 6: Final answer
    x = 165,199.87

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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.