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Finding the Fourth Proportional to 673,293.96, 928,867.14 and 469,465.56

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Solution

The fourth proportional to 673,293.96, 928,867.14 and 469,465.56 is: 647,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,293.96 : 928,867.14 = 469,465.56 : x
  2. Step 2: Convert to fraction form
    673,293.96/928,867.14 = 469,465.56/x
  3. Step 3: Cross multiply
    673,293.96x = 928,867.14 × 469,465.56
  4. Step 4: Simplify right side
    673,293.96x = 436,071,132,045.70
  5. Step 5: Solve for x
    x = 436,071,132,045.70/673,293.96
  6. Step 6: Final answer
    x = 647,668.27

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Double scale
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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.