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Finding the Fourth Proportional to 692,073.18, 954,464.31 and 450,267.42

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Solution

The fourth proportional to 692,073.18, 954,464.31 and 450,267.42 is: 620,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,073.18 : 954,464.31 = 450,267.42 : x
  2. Step 2: Convert to fraction form
    692,073.18/954,464.31 = 450,267.42/x
  3. Step 3: Cross multiply
    692,073.18x = 954,464.31 × 450,267.42
  4. Step 4: Simplify right side
    692,073.18x = 429,764,182,345.78
  5. Step 5: Solve for x
    x = 429,764,182,345.78/692,073.18
  6. Step 6: Final answer
    x = 620,980.84

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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.