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Finding the Fourth Proportional to 622,141.60, 932,444.40 and 422,461.60

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Solution

The fourth proportional to 622,141.60, 932,444.40 and 422,461.60 is: 633,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,141.60 : 932,444.40 = 422,461.60 : x
  2. Step 2: Convert to fraction form
    622,141.60/932,444.40 = 422,461.60/x
  3. Step 3: Cross multiply
    622,141.60x = 932,444.40 × 422,461.60
  4. Step 4: Simplify right side
    622,141.60x = 393,921,953,135.04
  5. Step 5: Solve for x
    x = 393,921,953,135.04/622,141.60
  6. Step 6: Final answer
    x = 633,170.89

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1.5x scale

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.