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Finding the Fourth Proportional to 548,090.52, 821,637.52 and 210,916.16

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Solution

The fourth proportional to 548,090.52, 821,637.52 and 210,916.16 is: 316,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,090.52 : 821,637.52 = 210,916.16 : x
  2. Step 2: Convert to fraction form
    548,090.52/821,637.52 = 210,916.16/x
  3. Step 3: Cross multiply
    548,090.52x = 821,637.52 × 210,916.16
  4. Step 4: Simplify right side
    548,090.52x = 173,296,630,630.32
  5. Step 5: Solve for x
    x = 173,296,630,630.32/548,090.52
  6. Step 6: Final answer
    x = 316,182.50

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1.5x scale

Why These Related Problems?

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