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Finding the Fourth Proportional to 525,023.28, 724,494.54 and 295,568.76

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Solution

The fourth proportional to 525,023.28, 724,494.54 and 295,568.76 is: 407,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,023.28 : 724,494.54 = 295,568.76 : x
  2. Step 2: Convert to fraction form
    525,023.28/724,494.54 = 295,568.76/x
  3. Step 3: Cross multiply
    525,023.28x = 724,494.54 × 295,568.76
  4. Step 4: Simplify right side
    525,023.28x = 214,137,952,814.57
  5. Step 5: Solve for x
    x = 214,137,952,814.57/525,023.28
  6. Step 6: Final answer
    x = 407,863.73

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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.