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Finding the Fourth Proportional to 386,572, 533,527.68 and 235,756.48

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Solution

The fourth proportional to 386,572, 533,527.68 and 235,756.48 is: 325,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,572 : 533,527.68 = 235,756.48 : x
  2. Step 2: Convert to fraction form
    386,572/533,527.68 = 235,756.48/x
  3. Step 3: Cross multiply
    386,572x = 533,527.68 × 235,756.48
  4. Step 4: Simplify right side
    386,572x = 125,782,607,819.37
  5. Step 5: Solve for x
    x = 125,782,607,819.37/386,572
  6. Step 6: Final answer
    x = 325,379.51

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