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Finding the Fourth Proportional to 346,682.20, 520,023.30 and 283,696.60

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Solution

The fourth proportional to 346,682.20, 520,023.30 and 283,696.60 is: 425,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,682.20 : 520,023.30 = 283,696.60 : x
  2. Step 2: Convert to fraction form
    346,682.20/520,023.30 = 283,696.60/x
  3. Step 3: Cross multiply
    346,682.20x = 520,023.30 × 283,696.60
  4. Step 4: Simplify right side
    346,682.20x = 147,528,842,130.78
  5. Step 5: Solve for x
    x = 147,528,842,130.78/346,682.20
  6. Step 6: Final answer
    x = 425,544.90

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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.