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Finding the Fourth Proportional to 498,803.15, 748,502.81 and 183,291.95

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Solution

The fourth proportional to 498,803.15, 748,502.81 and 183,291.95 is: 275,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,803.15 : 748,502.81 = 183,291.95 : x
  2. Step 2: Convert to fraction form
    498,803.15/748,502.81 = 183,291.95/x
  3. Step 3: Cross multiply
    498,803.15x = 748,502.81 × 183,291.95
  4. Step 4: Simplify right side
    498,803.15x = 137,194,539,625.38
  5. Step 5: Solve for x
    x = 137,194,539,625.38/498,803.15
  6. Step 6: Final answer
    x = 275,047.46

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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.