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Finding the Fourth Proportional to 1,946,848.38, 2,919,779.64 and 580,306.74

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Solution

The fourth proportional to 1,946,848.38, 2,919,779.64 and 580,306.74 is: 870,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,848.38 : 2,919,779.64 = 580,306.74 : x
  2. Step 2: Convert to fraction form
    1,946,848.38/2,919,779.64 = 580,306.74/x
  3. Step 3: Cross multiply
    1,946,848.38x = 2,919,779.64 × 580,306.74
  4. Step 4: Simplify right side
    1,946,848.38x = 1,694,367,804,406.77
  5. Step 5: Solve for x
    x = 1,694,367,804,406.77/1,946,848.38
  6. Step 6: Final answer
    x = 870,313.18

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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.