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Finding the Fourth Proportional to 620,392.97, 931,052.68 and 460,837.35

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Solution

The fourth proportional to 620,392.97, 931,052.68 and 460,837.35 is: 691,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,392.97 : 931,052.68 = 460,837.35 : x
  2. Step 2: Convert to fraction form
    620,392.97/931,052.68 = 460,837.35/x
  3. Step 3: Cross multiply
    620,392.97x = 931,052.68 × 460,837.35
  4. Step 4: Simplify right side
    620,392.97x = 429,063,848,609.51
  5. Step 5: Solve for x
    x = 429,063,848,609.51/620,392.97
  6. Step 6: Final answer
    x = 691,600.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.