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Finding the Fourth Proportional to 528,449.60, 792,674.40 and 519,701.60

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Solution

The fourth proportional to 528,449.60, 792,674.40 and 519,701.60 is: 779,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,449.60 : 792,674.40 = 519,701.60 : x
  2. Step 2: Convert to fraction form
    528,449.60/792,674.40 = 519,701.60/x
  3. Step 3: Cross multiply
    528,449.60x = 792,674.40 × 519,701.60
  4. Step 4: Simplify right side
    528,449.60x = 411,954,153,959.04
  5. Step 5: Solve for x
    x = 411,954,153,959.04/528,449.60
  6. Step 6: Final answer
    x = 779,552.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.