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Finding the Fourth Proportional to 346,384.80, 519,139.80 and 168,508.80

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Solution

The fourth proportional to 346,384.80, 519,139.80 and 168,508.80 is: 252,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,384.80 : 519,139.80 = 168,508.80 : x
  2. Step 2: Convert to fraction form
    346,384.80/519,139.80 = 168,508.80/x
  3. Step 3: Cross multiply
    346,384.80x = 519,139.80 × 168,508.80
  4. Step 4: Simplify right side
    346,384.80x = 87,479,624,730.24
  5. Step 5: Solve for x
    x = 87,479,624,730.24/346,384.80
  6. Step 6: Final answer
    x = 252,550.41

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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.