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Finding the Fourth Proportional to 346,325.80, 519,051.30 and 168,449.80

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Solution

The fourth proportional to 346,325.80, 519,051.30 and 168,449.80 is: 252,461.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,325.80 : 519,051.30 = 168,449.80 : x
  2. Step 2: Convert to fraction form
    346,325.80/519,051.30 = 168,449.80/x
  3. Step 3: Cross multiply
    346,325.80x = 519,051.30 × 168,449.80
  4. Step 4: Simplify right side
    346,325.80x = 87,434,087,674.74
  5. Step 5: Solve for x
    x = 87,434,087,674.74/346,325.80
  6. Step 6: Final answer
    x = 252,461.95

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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.