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Finding the Fourth Proportional to 673,311.68, 928,522 and 453,045.24

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Solution

The fourth proportional to 673,311.68, 928,522 and 453,045.24 is: 624,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,311.68 : 928,522 = 453,045.24 : x
  2. Step 2: Convert to fraction form
    673,311.68/928,522 = 453,045.24/x
  3. Step 3: Cross multiply
    673,311.68x = 928,522 × 453,045.24
  4. Step 4: Simplify right side
    673,311.68x = 420,662,472,335.28
  5. Step 5: Solve for x
    x = 420,662,472,335.28/673,311.68
  6. Step 6: Final answer
    x = 624,766.34

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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.