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Finding the Fourth Proportional to 517,232.17, 713,773.54 and 290,877.67

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Solution

The fourth proportional to 517,232.17, 713,773.54 and 290,877.67 is: 401,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,232.17 : 713,773.54 = 290,877.67 : x
  2. Step 2: Convert to fraction form
    517,232.17/713,773.54 = 290,877.67/x
  3. Step 3: Cross multiply
    517,232.17x = 713,773.54 × 290,877.67
  4. Step 4: Simplify right side
    517,232.17x = 207,620,785,478.67
  5. Step 5: Solve for x
    x = 207,620,785,478.67/517,232.17
  6. Step 6: Final answer
    x = 401,407.33

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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.