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Finding the Fourth Proportional to 245,066,051.70, 343,953,406.80 and 245,066,051.70

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Solution

The fourth proportional to 245,066,051.70, 343,953,406.80 and 245,066,051.70 is: 343,953,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,066,051.70 : 343,953,406.80 = 245,066,051.70 : x
  2. Step 2: Convert to fraction form
    245,066,051.70/343,953,406.80 = 245,066,051.70/x
  3. Step 3: Cross multiply
    245,066,051.70x = 343,953,406.80 × 245,066,051.70
  4. Step 4: Simplify right side
    245,066,051.70x = 84,291,303,373,239,936
  5. Step 5: Solve for x
    x = 84,291,303,373,239,936/245,066,051.70
  6. Step 6: Final answer
    x = 343,953,406.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.