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Finding the Fourth Proportional to 453,673,721.48, 680,510,582.21 and 453,673,721.48

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Solution

The fourth proportional to 453,673,721.48, 680,510,582.21 and 453,673,721.48 is: 680,510,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,673,721.48 : 680,510,582.21 = 453,673,721.48 : x
  2. Step 2: Convert to fraction form
    453,673,721.48/680,510,582.21 = 453,673,721.48/x
  3. Step 3: Cross multiply
    453,673,721.48x = 680,510,582.21 × 453,673,721.48
  4. Step 4: Simplify right side
    453,673,721.48x = 308,729,768,335,463,808
  5. Step 5: Solve for x
    x = 308,729,768,335,463,808/453,673,721.48
  6. Step 6: Final answer
    x = 680,510,582.21

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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.