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Finding the Fourth Proportional to 552,636.10, 828,954.15 and 543,304.90

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Solution

The fourth proportional to 552,636.10, 828,954.15 and 543,304.90 is: 814,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,636.10 : 828,954.15 = 543,304.90 : x
  2. Step 2: Convert to fraction form
    552,636.10/828,954.15 = 543,304.90/x
  3. Step 3: Cross multiply
    552,636.10x = 828,954.15 × 543,304.90
  4. Step 4: Simplify right side
    552,636.10x = 450,374,851,570.34
  5. Step 5: Solve for x
    x = 450,374,851,570.34/552,636.10
  6. Step 6: Final answer
    x = 814,957.35

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Similar ratio
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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.