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Finding the Fourth Proportional to 526,877.60, 739,103.20 and 526,877.60

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Solution

The fourth proportional to 526,877.60, 739,103.20 and 526,877.60 is: 739,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,877.60 : 739,103.20 = 526,877.60 : x
  2. Step 2: Convert to fraction form
    526,877.60/739,103.20 = 526,877.60/x
  3. Step 3: Cross multiply
    526,877.60x = 739,103.20 × 526,877.60
  4. Step 4: Simplify right side
    526,877.60x = 389,416,920,168.32
  5. Step 5: Solve for x
    x = 389,416,920,168.32/526,877.60
  6. Step 6: Final answer
    x = 739,103.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.