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Finding the Fourth Proportional to 604,674,856.80, 907,012,285.20 and 483,742,504.80

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Solution

The fourth proportional to 604,674,856.80, 907,012,285.20 and 483,742,504.80 is: 725,613,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,674,856.80 : 907,012,285.20 = 483,742,504.80 : x
  2. Step 2: Convert to fraction form
    604,674,856.80/907,012,285.20 = 483,742,504.80/x
  3. Step 3: Cross multiply
    604,674,856.80x = 907,012,285.20 × 483,742,504.80
  4. Step 4: Simplify right side
    604,674,856.80x = 438,760,394,727,020,032
  5. Step 5: Solve for x
    x = 438,760,394,727,020,032/604,674,856.80
  6. Step 6: Final answer
    x = 725,613,757.20

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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.