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Finding the Fourth Proportional to 471,135.83, 706,782.57 and 369,929.81

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Solution

The fourth proportional to 471,135.83, 706,782.57 and 369,929.81 is: 554,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,135.83 : 706,782.57 = 369,929.81 : x
  2. Step 2: Convert to fraction form
    471,135.83/706,782.57 = 369,929.81/x
  3. Step 3: Cross multiply
    471,135.83x = 706,782.57 × 369,929.81
  4. Step 4: Simplify right side
    471,135.83x = 261,459,938,297.50
  5. Step 5: Solve for x
    x = 261,459,938,297.50/471,135.83
  6. Step 6: Final answer
    x = 554,956.60

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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.