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Finding the Fourth Proportional to 405,717.95, 559,702.22 and 262,524.12

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Solution

The fourth proportional to 405,717.95, 559,702.22 and 262,524.12 is: 362,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,717.95 : 559,702.22 = 262,524.12 : x
  2. Step 2: Convert to fraction form
    405,717.95/559,702.22 = 262,524.12/x
  3. Step 3: Cross multiply
    405,717.95x = 559,702.22 × 262,524.12
  4. Step 4: Simplify right side
    405,717.95x = 146,935,331,454.93
  5. Step 5: Solve for x
    x = 146,935,331,454.93/405,717.95
  6. Step 6: Final answer
    x = 362,161.28

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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.