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Finding the Fourth Proportional to 530,344.16, 731,907.60 and 304,023.68

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Solution

The fourth proportional to 530,344.16, 731,907.60 and 304,023.68 is: 419,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,344.16 : 731,907.60 = 304,023.68 : x
  2. Step 2: Convert to fraction form
    530,344.16/731,907.60 = 304,023.68/x
  3. Step 3: Cross multiply
    530,344.16x = 731,907.60 × 304,023.68
  4. Step 4: Simplify right side
    530,344.16x = 222,517,241,971.97
  5. Step 5: Solve for x
    x = 222,517,241,971.97/530,344.16
  6. Step 6: Final answer
    x = 419,571.40

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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.