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Finding the Fourth Proportional to 692,409.50, 955,527.99 and 374,457.50

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Solution

The fourth proportional to 692,409.50, 955,527.99 and 374,457.50 is: 516,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,409.50 : 955,527.99 = 374,457.50 : x
  2. Step 2: Convert to fraction form
    692,409.50/955,527.99 = 374,457.50/x
  3. Step 3: Cross multiply
    692,409.50x = 955,527.99 × 374,457.50
  4. Step 4: Simplify right side
    692,409.50x = 357,804,622,315.43
  5. Step 5: Solve for x
    x = 357,804,622,315.43/692,409.50
  6. Step 6: Final answer
    x = 516,752.91

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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.