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Finding the Fourth Proportional to 673,314.12, 929,263.59 and 651,159.81

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Solution

The fourth proportional to 673,314.12, 929,263.59 and 651,159.81 is: 898,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,314.12 : 929,263.59 = 651,159.81 : x
  2. Step 2: Convert to fraction form
    673,314.12/929,263.59 = 651,159.81/x
  3. Step 3: Cross multiply
    673,314.12x = 929,263.59 × 651,159.81
  4. Step 4: Simplify right side
    673,314.12x = 605,099,102,704.32
  5. Step 5: Solve for x
    x = 605,099,102,704.32/673,314.12
  6. Step 6: Final answer
    x = 898,687.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.