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Finding the Fourth Proportional to 604,674,857.80, 907,012,286.70 and 483,742,505.80

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Solution

The fourth proportional to 604,674,857.80, 907,012,286.70 and 483,742,505.80 is: 725,613,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,674,857.80 : 907,012,286.70 = 483,742,505.80 : x
  2. Step 2: Convert to fraction form
    604,674,857.80/907,012,286.70 = 483,742,505.80/x
  3. Step 3: Cross multiply
    604,674,857.80x = 907,012,286.70 × 483,742,505.80
  4. Step 4: Simplify right side
    604,674,857.80x = 438,760,396,359,646,016
  5. Step 5: Solve for x
    x = 438,760,396,359,646,016/604,674,857.80
  6. Step 6: Final answer
    x = 725,613,758.70

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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.