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Finding the Fourth Proportional to 532,365.32, 734,654.46 and 302,917.60

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Solution

The fourth proportional to 532,365.32, 734,654.46 and 302,917.60 is: 418,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,365.32 : 734,654.46 = 302,917.60 : x
  2. Step 2: Convert to fraction form
    532,365.32/734,654.46 = 302,917.60/x
  3. Step 3: Cross multiply
    532,365.32x = 734,654.46 × 302,917.60
  4. Step 4: Simplify right side
    532,365.32x = 222,539,765,852.50
  5. Step 5: Solve for x
    x = 222,539,765,852.50/532,365.32
  6. Step 6: Final answer
    x = 418,020.78

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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.