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Finding the Fourth Proportional to 442,003.44, 609,968.94 and 251,018.16

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Solution

The fourth proportional to 442,003.44, 609,968.94 and 251,018.16 is: 346,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,003.44 : 609,968.94 = 251,018.16 : x
  2. Step 2: Convert to fraction form
    442,003.44/609,968.94 = 251,018.16/x
  3. Step 3: Cross multiply
    442,003.44x = 609,968.94 × 251,018.16
  4. Step 4: Simplify right side
    442,003.44x = 153,113,280,975.95
  5. Step 5: Solve for x
    x = 153,113,280,975.95/442,003.44
  6. Step 6: Final answer
    x = 346,407.44

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1.5x scale

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.