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Finding the Fourth Proportional to 619,059.78, 854,656.43 and 473,597.55

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Solution

The fourth proportional to 619,059.78, 854,656.43 and 473,597.55 is: 653,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,059.78 : 854,656.43 = 473,597.55 : x
  2. Step 2: Convert to fraction form
    619,059.78/854,656.43 = 473,597.55/x
  3. Step 3: Cross multiply
    619,059.78x = 854,656.43 × 473,597.55
  4. Step 4: Simplify right side
    619,059.78x = 404,763,191,339.75
  5. Step 5: Solve for x
    x = 404,763,191,339.75/619,059.78
  6. Step 6: Final answer
    x = 653,835.39

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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.