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Finding the Fourth Proportional to 346,798.80, 520,198.20 and 110,165.40

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Solution

The fourth proportional to 346,798.80, 520,198.20 and 110,165.40 is: 165,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,798.80 : 520,198.20 = 110,165.40 : x
  2. Step 2: Convert to fraction form
    346,798.80/520,198.20 = 110,165.40/x
  3. Step 3: Cross multiply
    346,798.80x = 520,198.20 × 110,165.40
  4. Step 4: Simplify right side
    346,798.80x = 57,307,842,782.28
  5. Step 5: Solve for x
    x = 57,307,842,782.28/346,798.80
  6. Step 6: Final answer
    x = 165,248.10

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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.