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Finding the Fourth Proportional to 523,876.41, 723,009.38 and 291,326.54

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Solution

The fourth proportional to 523,876.41, 723,009.38 and 291,326.54 is: 402,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,876.41 : 723,009.38 = 291,326.54 : x
  2. Step 2: Convert to fraction form
    523,876.41/723,009.38 = 291,326.54/x
  3. Step 3: Cross multiply
    523,876.41x = 723,009.38 × 291,326.54
  4. Step 4: Simplify right side
    523,876.41x = 210,631,815,991.27
  5. Step 5: Solve for x
    x = 210,631,815,991.27/523,876.41
  6. Step 6: Final answer
    x = 402,063.94

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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.