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Finding the Fourth Proportional to 405,383.52, 559,587.12 and 362,868.48

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Solution

The fourth proportional to 405,383.52, 559,587.12 and 362,868.48 is: 500,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,383.52 : 559,587.12 = 362,868.48 : x
  2. Step 2: Convert to fraction form
    405,383.52/559,587.12 = 362,868.48/x
  3. Step 3: Cross multiply
    405,383.52x = 559,587.12 × 362,868.48
  4. Step 4: Simplify right side
    405,383.52x = 203,056,527,661.98
  5. Step 5: Solve for x
    x = 203,056,527,661.98/405,383.52
  6. Step 6: Final answer
    x = 500,899.81

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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.