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Finding the Fourth Proportional to 1,666,931.22, 2,300,375.88 and 902,984.22

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Solution

The fourth proportional to 1,666,931.22, 2,300,375.88 and 902,984.22 is: 1,246,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,931.22 : 2,300,375.88 = 902,984.22 : x
  2. Step 2: Convert to fraction form
    1,666,931.22/2,300,375.88 = 902,984.22/x
  3. Step 3: Cross multiply
    1,666,931.22x = 2,300,375.88 × 902,984.22
  4. Step 4: Simplify right side
    1,666,931.22x = 2,077,203,119,708.61
  5. Step 5: Solve for x
    x = 2,077,203,119,708.61/1,666,931.22
  6. Step 6: Final answer
    x = 1,246,124.07

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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.