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Finding the Fourth Proportional to 323,549,703.60, 485,324,555.40 and 323,549,703.60

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Solution

The fourth proportional to 323,549,703.60, 485,324,555.40 and 323,549,703.60 is: 485,324,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,549,703.60 : 485,324,555.40 = 323,549,703.60 : x
  2. Step 2: Convert to fraction form
    323,549,703.60/485,324,555.40 = 323,549,703.60/x
  3. Step 3: Cross multiply
    323,549,703.60x = 485,324,555.40 × 323,549,703.60
  4. Step 4: Simplify right side
    323,549,703.60x = 157,026,616,049,471,776
  5. Step 5: Solve for x
    x = 157,026,616,049,471,776/323,549,703.60
  6. Step 6: Final answer
    x = 485,324,555.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.