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Finding the Fourth Proportional to 401,350.51, 602,114.51 and 135,102.25

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Solution

The fourth proportional to 401,350.51, 602,114.51 and 135,102.25 is: 202,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,350.51 : 602,114.51 = 135,102.25 : x
  2. Step 2: Convert to fraction form
    401,350.51/602,114.51 = 135,102.25/x
  3. Step 3: Cross multiply
    401,350.51x = 602,114.51 × 135,102.25
  4. Step 4: Simplify right side
    401,350.51x = 81,347,025,058.65
  5. Step 5: Solve for x
    x = 81,347,025,058.65/401,350.51
  6. Step 6: Final answer
    x = 202,683.25

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1.5x scale

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.