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Finding the Fourth Proportional to 3,711,590, 5,567,385 and 909,926

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Solution

The fourth proportional to 3,711,590, 5,567,385 and 909,926 is: 1,364,889

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711,590 : 5,567,385 = 909,926 : x
  2. Step 2: Convert to fraction form
    3,711,590/5,567,385 = 909,926/x
  3. Step 3: Cross multiply
    3,711,590x = 5,567,385 × 909,926
  4. Step 4: Simplify right side
    3,711,590x = 5,065,908,363,510
  5. Step 5: Solve for x
    x = 5,065,908,363,510/3,711,590
  6. Step 6: Final answer
    x = 1,364,889

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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.