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Finding the Fourth Proportional to 1,202,848.65, 1,659,931.02 and 659,003.70

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Solution

The fourth proportional to 1,202,848.65, 1,659,931.02 and 659,003.70 is: 909,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,848.65 : 1,659,931.02 = 659,003.70 : x
  2. Step 2: Convert to fraction form
    1,202,848.65/1,659,931.02 = 659,003.70/x
  3. Step 3: Cross multiply
    1,202,848.65x = 1,659,931.02 × 659,003.70
  4. Step 4: Simplify right side
    1,202,848.65x = 1,093,900,683,924.77
  5. Step 5: Solve for x
    x = 1,093,900,683,924.77/1,202,848.65
  6. Step 6: Final answer
    x = 909,425.04

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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.