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Finding the Fourth Proportional to 567,627.40, 850,274.70 and 287,302.60

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Solution

The fourth proportional to 567,627.40, 850,274.70 and 287,302.60 is: 430,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,627.40 : 850,274.70 = 287,302.60 : x
  2. Step 2: Convert to fraction form
    567,627.40/850,274.70 = 287,302.60/x
  3. Step 3: Cross multiply
    567,627.40x = 850,274.70 × 287,302.60
  4. Step 4: Simplify right side
    567,627.40x = 244,286,132,024.22
  5. Step 5: Solve for x
    x = 244,286,132,024.22/567,627.40
  6. Step 6: Final answer
    x = 430,363.53

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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.