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Finding the Fourth Proportional to 525,461.38, 724,380.87 and 374,295.94

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Solution

The fourth proportional to 525,461.38, 724,380.87 and 374,295.94 is: 515,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,461.38 : 724,380.87 = 374,295.94 : x
  2. Step 2: Convert to fraction form
    525,461.38/724,380.87 = 374,295.94/x
  3. Step 3: Cross multiply
    525,461.38x = 724,380.87 × 374,295.94
  4. Step 4: Simplify right side
    525,461.38x = 271,132,818,247.33
  5. Step 5: Solve for x
    x = 271,132,818,247.33/525,461.38
  6. Step 6: Final answer
    x = 515,990.00

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1.5x scale

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.