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Finding the Fourth Proportional to 368,777.51, 553,261.34 and 200,254.58

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Solution

The fourth proportional to 368,777.51, 553,261.34 and 200,254.58 is: 300,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,777.51 : 553,261.34 = 200,254.58 : x
  2. Step 2: Convert to fraction form
    368,777.51/553,261.34 = 200,254.58/x
  3. Step 3: Cross multiply
    368,777.51x = 553,261.34 × 200,254.58
  4. Step 4: Simplify right side
    368,777.51x = 110,793,115,954.57
  5. Step 5: Solve for x
    x = 110,793,115,954.57/368,777.51
  6. Step 6: Final answer
    x = 300,433.50

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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.