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Finding the Fourth Proportional to 517,258.53, 713,582.33 and 373,791.33

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Solution

The fourth proportional to 517,258.53, 713,582.33 and 373,791.33 is: 515,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,258.53 : 713,582.33 = 373,791.33 : x
  2. Step 2: Convert to fraction form
    517,258.53/713,582.33 = 373,791.33/x
  3. Step 3: Cross multiply
    517,258.53x = 713,582.33 × 373,791.33
  4. Step 4: Simplify right side
    517,258.53x = 266,730,886,326.24
  5. Step 5: Solve for x
    x = 266,730,886,326.24/517,258.53
  6. Step 6: Final answer
    x = 515,662.62

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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.