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Finding the Fourth Proportional to 292,281.89, 438,435.59 and 92,617.00

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Solution

The fourth proportional to 292,281.89, 438,435.59 and 92,617.00 is: 138,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,281.89 : 438,435.59 = 92,617.00 : x
  2. Step 2: Convert to fraction form
    292,281.89/438,435.59 = 92,617.00/x
  3. Step 3: Cross multiply
    292,281.89x = 438,435.59 × 92,617.00
  4. Step 4: Simplify right side
    292,281.89x = 40,606,587,479.86
  5. Step 5: Solve for x
    x = 40,606,587,479.86/292,281.89
  6. Step 6: Final answer
    x = 138,929.54

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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.