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Finding the Fourth Proportional to 346,841, 478,679.52 and 195,947.72

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Solution

The fourth proportional to 346,841, 478,679.52 and 195,947.72 is: 270,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,841 : 478,679.52 = 195,947.72 : x
  2. Step 2: Convert to fraction form
    346,841/478,679.52 = 195,947.72/x
  3. Step 3: Cross multiply
    346,841x = 478,679.52 × 195,947.72
  4. Step 4: Simplify right side
    346,841x = 93,796,160,554.69
  5. Step 5: Solve for x
    x = 93,796,160,554.69/346,841
  6. Step 6: Final answer
    x = 270,429.85

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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.