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Finding the Fourth Proportional to 346,379.76, 519,166.26 and 146,633.76

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Solution

The fourth proportional to 346,379.76, 519,166.26 and 146,633.76 is: 219,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,379.76 : 519,166.26 = 146,633.76 : x
  2. Step 2: Convert to fraction form
    346,379.76/519,166.26 = 146,633.76/x
  3. Step 3: Cross multiply
    346,379.76x = 519,166.26 × 146,633.76
  4. Step 4: Simplify right side
    346,379.76x = 76,127,300,768.94
  5. Step 5: Solve for x
    x = 76,127,300,768.94/346,379.76
  6. Step 6: Final answer
    x = 219,779.88

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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.