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Finding the Fourth Proportional to 307,075,954.80, 460,613,932.20 and 170,761,338.30

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Solution

The fourth proportional to 307,075,954.80, 460,613,932.20 and 170,761,338.30 is: 256,142,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,075,954.80 : 460,613,932.20 = 170,761,338.30 : x
  2. Step 2: Convert to fraction form
    307,075,954.80/460,613,932.20 = 170,761,338.30/x
  3. Step 3: Cross multiply
    307,075,954.80x = 460,613,932.20 × 170,761,338.30
  4. Step 4: Simplify right side
    307,075,954.80x = 78,655,051,502,097,472
  5. Step 5: Solve for x
    x = 78,655,051,502,097,472/307,075,954.80
  6. Step 6: Final answer
    x = 256,142,007.45

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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.