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Finding the Fourth Proportional to 692,407.50, 955,525.23 and 374,455.50

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Solution

The fourth proportional to 692,407.50, 955,525.23 and 374,455.50 is: 516,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,407.50 : 955,525.23 = 374,455.50 : x
  2. Step 2: Convert to fraction form
    692,407.50/955,525.23 = 374,455.50/x
  3. Step 3: Cross multiply
    692,407.50x = 955,525.23 × 374,455.50
  4. Step 4: Simplify right side
    692,407.50x = 357,801,677,762.27
  5. Step 5: Solve for x
    x = 357,801,677,762.27/692,407.50
  6. Step 6: Final answer
    x = 516,750.15

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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.