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Finding the Fourth Proportional to 567,322.10, 850,205.55 and 400,915.70

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Solution

The fourth proportional to 567,322.10, 850,205.55 and 400,915.70 is: 600,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,322.10 : 850,205.55 = 400,915.70 : x
  2. Step 2: Convert to fraction form
    567,322.10/850,205.55 = 400,915.70/x
  3. Step 3: Cross multiply
    567,322.10x = 850,205.55 × 400,915.70
  4. Step 4: Simplify right side
    567,322.10x = 340,860,753,222.14
  5. Step 5: Solve for x
    x = 340,860,753,222.14/567,322.10
  6. Step 6: Final answer
    x = 600,824.03

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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.