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Finding the Fourth Proportional to 492,088, 738,365.44 and 292,801.92

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Solution

The fourth proportional to 492,088, 738,365.44 and 292,801.92 is: 439,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,088 : 738,365.44 = 292,801.92 : x
  2. Step 2: Convert to fraction form
    492,088/738,365.44 = 292,801.92/x
  3. Step 3: Cross multiply
    492,088x = 738,365.44 × 292,801.92
  4. Step 4: Simplify right side
    492,088x = 216,194,818,493.65
  5. Step 5: Solve for x
    x = 216,194,818,493.65/492,088
  6. Step 6: Final answer
    x = 439,341.78

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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.