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Finding the Fourth Proportional to 469,935.60, 704,903.40 and 292,351.20

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Solution

The fourth proportional to 469,935.60, 704,903.40 and 292,351.20 is: 438,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,935.60 : 704,903.40 = 292,351.20 : x
  2. Step 2: Convert to fraction form
    469,935.60/704,903.40 = 292,351.20/x
  3. Step 3: Cross multiply
    469,935.60x = 704,903.40 × 292,351.20
  4. Step 4: Simplify right side
    469,935.60x = 206,079,354,874.08
  5. Step 5: Solve for x
    x = 206,079,354,874.08/469,935.60
  6. Step 6: Final answer
    x = 438,526.80

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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.