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Finding the Fourth Proportional to 605,124.30, 907,784.95 and 178,703.25

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Solution

The fourth proportional to 605,124.30, 907,784.95 and 178,703.25 is: 268,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,124.30 : 907,784.95 = 178,703.25 : x
  2. Step 2: Convert to fraction form
    605,124.30/907,784.95 = 178,703.25/x
  3. Step 3: Cross multiply
    605,124.30x = 907,784.95 × 178,703.25
  4. Step 4: Simplify right side
    605,124.30x = 162,224,120,866.09
  5. Step 5: Solve for x
    x = 162,224,120,866.09/605,124.30
  6. Step 6: Final answer
    x = 268,083.96

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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.