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Finding the Fourth Proportional to 346,511.70, 520,095.60 and 296,648.10

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Solution

The fourth proportional to 346,511.70, 520,095.60 and 296,648.10 is: 445,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,511.70 : 520,095.60 = 296,648.10 : x
  2. Step 2: Convert to fraction form
    346,511.70/520,095.60 = 296,648.10/x
  3. Step 3: Cross multiply
    346,511.70x = 520,095.60 × 296,648.10
  4. Step 4: Simplify right side
    346,511.70x = 154,285,371,558.36
  5. Step 5: Solve for x
    x = 154,285,371,558.36/346,511.70
  6. Step 6: Final answer
    x = 445,252.99

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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.