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Finding the Fourth Proportional to 616,316.60, 922,725.30 and 616,316.60

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Solution

The fourth proportional to 616,316.60, 922,725.30 and 616,316.60 is: 922,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,316.60 : 922,725.30 = 616,316.60 : x
  2. Step 2: Convert to fraction form
    616,316.60/922,725.30 = 616,316.60/x
  3. Step 3: Cross multiply
    616,316.60x = 922,725.30 × 616,316.60
  4. Step 4: Simplify right side
    616,316.60x = 568,690,919,629.98
  5. Step 5: Solve for x
    x = 568,690,919,629.98/616,316.60
  6. Step 6: Final answer
    x = 922,725.30

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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.