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Finding the Fourth Proportional to 584,622.40, 876,447.60 and 247,921.60

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Solution

The fourth proportional to 584,622.40, 876,447.60 and 247,921.60 is: 371,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,622.40 : 876,447.60 = 247,921.60 : x
  2. Step 2: Convert to fraction form
    584,622.40/876,447.60 = 247,921.60/x
  3. Step 3: Cross multiply
    584,622.40x = 876,447.60 × 247,921.60
  4. Step 4: Simplify right side
    584,622.40x = 217,290,291,308.16
  5. Step 5: Solve for x
    x = 217,290,291,308.16/584,622.40
  6. Step 6: Final answer
    x = 371,676.30

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1.5x scale

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.