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Finding the Fourth Proportional to 692,076.18, 954,468.45 and 450,270.42

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Solution

The fourth proportional to 692,076.18, 954,468.45 and 450,270.42 is: 620,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,076.18 : 954,468.45 = 450,270.42 : x
  2. Step 2: Convert to fraction form
    692,076.18/954,468.45 = 450,270.42/x
  3. Step 3: Cross multiply
    692,076.18x = 954,468.45 × 450,270.42
  4. Step 4: Simplify right side
    692,076.18x = 429,768,909,858.25
  5. Step 5: Solve for x
    x = 429,768,909,858.25/692,076.18
  6. Step 6: Final answer
    x = 620,984.98

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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.