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Finding the Fourth Proportional to 572,830.45, 790,506.32 and 314,724.06

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Solution

The fourth proportional to 572,830.45, 790,506.32 and 314,724.06 is: 434,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,830.45 : 790,506.32 = 314,724.06 : x
  2. Step 2: Convert to fraction form
    572,830.45/790,506.32 = 314,724.06/x
  3. Step 3: Cross multiply
    572,830.45x = 790,506.32 × 314,724.06
  4. Step 4: Simplify right side
    572,830.45x = 248,791,356,912.44
  5. Step 5: Solve for x
    x = 248,791,356,912.44/572,830.45
  6. Step 6: Final answer
    x = 434,319.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.