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Finding the Fourth Proportional to 458,083.53, 632,143.53 and 254,133.45

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Solution

The fourth proportional to 458,083.53, 632,143.53 and 254,133.45 is: 350,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,083.53 : 632,143.53 = 254,133.45 : x
  2. Step 2: Convert to fraction form
    458,083.53/632,143.53 = 254,133.45/x
  3. Step 3: Cross multiply
    458,083.53x = 632,143.53 × 254,133.45
  4. Step 4: Simplify right side
    458,083.53x = 160,648,816,174.08
  5. Step 5: Solve for x
    x = 160,648,816,174.08/458,083.53
  6. Step 6: Final answer
    x = 350,697.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.