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Finding the Fourth Proportional to 346,319.69, 477,916.52 and 193,360.22

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Solution

The fourth proportional to 346,319.69, 477,916.52 and 193,360.22 is: 266,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,319.69 : 477,916.52 = 193,360.22 : x
  2. Step 2: Convert to fraction form
    346,319.69/477,916.52 = 193,360.22/x
  3. Step 3: Cross multiply
    346,319.69x = 477,916.52 × 193,360.22
  4. Step 4: Simplify right side
    346,319.69x = 92,410,043,676.82
  5. Step 5: Solve for x
    x = 92,410,043,676.82/346,319.69
  6. Step 6: Final answer
    x = 266,834.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.