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Finding the Fourth Proportional to 2,608,060.81, 3,909,330.07 and 877,283

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Solution

The fourth proportional to 2,608,060.81, 3,909,330.07 and 877,283 is: 1,314,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608,060.81 : 3,909,330.07 = 877,283 : x
  2. Step 2: Convert to fraction form
    2,608,060.81/3,909,330.07 = 877,283/x
  3. Step 3: Cross multiply
    2,608,060.81x = 3,909,330.07 × 877,283
  4. Step 4: Simplify right side
    2,608,060.81x = 3,429,588,811,799.81
  5. Step 5: Solve for x
    x = 3,429,588,811,799.81/2,608,060.81
  6. Step 6: Final answer
    x = 1,314,995.72

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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.