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Finding the Fourth Proportional to 496,254.53, 744,386.40 and 141,268.53

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Solution

The fourth proportional to 496,254.53, 744,386.40 and 141,268.53 is: 211,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,254.53 : 744,386.40 = 141,268.53 : x
  2. Step 2: Convert to fraction form
    496,254.53/744,386.40 = 141,268.53/x
  3. Step 3: Cross multiply
    496,254.53x = 744,386.40 × 141,268.53
  4. Step 4: Simplify right side
    496,254.53x = 105,158,372,479.99
  5. Step 5: Solve for x
    x = 105,158,372,479.99/496,254.53
  6. Step 6: Final answer
    x = 211,904.11

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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.