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Finding the Fourth Proportional to 572,849, 790,532.04 and 314,742.60

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Solution

The fourth proportional to 572,849, 790,532.04 and 314,742.60 is: 434,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,849 : 790,532.04 = 314,742.60 : x
  2. Step 2: Convert to fraction form
    572,849/790,532.04 = 314,742.60/x
  3. Step 3: Cross multiply
    572,849x = 790,532.04 × 314,742.60
  4. Step 4: Simplify right side
    572,849x = 248,814,109,652.90
  5. Step 5: Solve for x
    x = 248,814,109,652.90/572,849
  6. Step 6: Final answer
    x = 434,345.02

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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.