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Finding the Fourth Proportional to 850,408, 1,173,563.04 and 468,433.60

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Solution

The fourth proportional to 850,408, 1,173,563.04 and 468,433.60 is: 646,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,408 : 1,173,563.04 = 468,433.60 : x
  2. Step 2: Convert to fraction form
    850,408/1,173,563.04 = 468,433.60/x
  3. Step 3: Cross multiply
    850,408x = 1,173,563.04 × 468,433.60
  4. Step 4: Simplify right side
    850,408x = 549,736,359,654.14
  5. Step 5: Solve for x
    x = 549,736,359,654.14/850,408
  6. Step 6: Final answer
    x = 646,438.37

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1.5x scale

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.