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Finding the Fourth Proportional to 495,451.14, 684,005.85 and 326,177.34

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Solution

The fourth proportional to 495,451.14, 684,005.85 and 326,177.34 is: 450,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,451.14 : 684,005.85 = 326,177.34 : x
  2. Step 2: Convert to fraction form
    495,451.14/684,005.85 = 326,177.34/x
  3. Step 3: Cross multiply
    495,451.14x = 684,005.85 × 326,177.34
  4. Step 4: Simplify right side
    495,451.14x = 223,107,208,697.44
  5. Step 5: Solve for x
    x = 223,107,208,697.44/495,451.14
  6. Step 6: Final answer
    x = 450,311.22

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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.