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Finding the Fourth Proportional to 448,483,077.45, 672,724,616.18 and 448,483,077.45

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Solution

The fourth proportional to 448,483,077.45, 672,724,616.18 and 448,483,077.45 is: 672,724,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,483,077.45 : 672,724,616.18 = 448,483,077.45 : x
  2. Step 2: Convert to fraction form
    448,483,077.45/672,724,616.18 = 448,483,077.45/x
  3. Step 3: Cross multiply
    448,483,077.45x = 672,724,616.18 × 448,483,077.45
  4. Step 4: Simplify right side
    448,483,077.45x = 301,705,606,138,534,016
  5. Step 5: Solve for x
    x = 301,705,606,138,534,016/448,483,077.45
  6. Step 6: Final answer
    x = 672,724,616.18

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Double scale
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1.5x scale

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.