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Finding the Fourth Proportional to 922,235.40, 1,383,353.10 and 651,630.60

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Solution

The fourth proportional to 922,235.40, 1,383,353.10 and 651,630.60 is: 977,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,235.40 : 1,383,353.10 = 651,630.60 : x
  2. Step 2: Convert to fraction form
    922,235.40/1,383,353.10 = 651,630.60/x
  3. Step 3: Cross multiply
    922,235.40x = 1,383,353.10 × 651,630.60
  4. Step 4: Simplify right side
    922,235.40x = 901,435,210,564.86
  5. Step 5: Solve for x
    x = 901,435,210,564.86/922,235.40
  6. Step 6: Final answer
    x = 977,445.90

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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.