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Finding the Fourth Proportional to 519,266.60, 728,023 and 519,266.60

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Solution

The fourth proportional to 519,266.60, 728,023 and 519,266.60 is: 728,023

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,266.60 : 728,023 = 519,266.60 : x
  2. Step 2: Convert to fraction form
    519,266.60/728,023 = 519,266.60/x
  3. Step 3: Cross multiply
    519,266.60x = 728,023 × 519,266.60
  4. Step 4: Simplify right side
    519,266.60x = 378,038,027,931.80
  5. Step 5: Solve for x
    x = 378,038,027,931.80/519,266.60
  6. Step 6: Final answer
    x = 728,023

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