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Finding the Fourth Proportional to 636,302.40, 954,453.60 and 565,443.60

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Solution

The fourth proportional to 636,302.40, 954,453.60 and 565,443.60 is: 848,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,302.40 : 954,453.60 = 565,443.60 : x
  2. Step 2: Convert to fraction form
    636,302.40/954,453.60 = 565,443.60/x
  3. Step 3: Cross multiply
    636,302.40x = 954,453.60 × 565,443.60
  4. Step 4: Simplify right side
    636,302.40x = 539,689,679,616.96
  5. Step 5: Solve for x
    x = 539,689,679,616.96/636,302.40
  6. Step 6: Final answer
    x = 848,165.40

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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.