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Finding the Fourth Proportional to 572,850, 790,533.42 and 314,743.60

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Solution

The fourth proportional to 572,850, 790,533.42 and 314,743.60 is: 434,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,850 : 790,533.42 = 314,743.60 : x
  2. Step 2: Convert to fraction form
    572,850/790,533.42 = 314,743.60/x
  3. Step 3: Cross multiply
    572,850x = 790,533.42 × 314,743.60
  4. Step 4: Simplify right side
    572,850x = 248,815,334,531.11
  5. Step 5: Solve for x
    x = 248,815,334,531.11/572,850
  6. Step 6: Final answer
    x = 434,346.40

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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.