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Finding the Fourth Proportional to 4,609,568.64, 6,914,352.80 and 1,243,775.52

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Solution

The fourth proportional to 4,609,568.64, 6,914,352.80 and 1,243,775.52 is: 1,865,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609,568.64 : 6,914,352.80 = 1,243,775.52 : x
  2. Step 2: Convert to fraction form
    4,609,568.64/6,914,352.80 = 1,243,775.52/x
  3. Step 3: Cross multiply
    4,609,568.64x = 6,914,352.80 × 1,243,775.52
  4. Step 4: Simplify right side
    4,609,568.64x = 8,599,902,749,283.46
  5. Step 5: Solve for x
    x = 8,599,902,749,283.46/4,609,568.64
  6. Step 6: Final answer
    x = 1,865,663.24

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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.