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Finding the Fourth Proportional to 445,090.25, 614,224.55 and 243,881.93

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Solution

The fourth proportional to 445,090.25, 614,224.55 and 243,881.93 is: 336,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,090.25 : 614,224.55 = 243,881.93 : x
  2. Step 2: Convert to fraction form
    445,090.25/614,224.55 = 243,881.93/x
  3. Step 3: Cross multiply
    445,090.25x = 614,224.55 × 243,881.93
  4. Step 4: Simplify right side
    445,090.25x = 149,798,268,707.38
  5. Step 5: Solve for x
    x = 149,798,268,707.38/445,090.25
  6. Step 6: Final answer
    x = 336,557.07

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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.