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Finding the Fourth Proportional to 405,889.58, 560,187.02 and 233,774.44

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Solution

The fourth proportional to 405,889.58, 560,187.02 and 233,774.44 is: 322,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,889.58 : 560,187.02 = 233,774.44 : x
  2. Step 2: Convert to fraction form
    405,889.58/560,187.02 = 233,774.44/x
  3. Step 3: Cross multiply
    405,889.58x = 560,187.02 × 233,774.44
  4. Step 4: Simplify right side
    405,889.58x = 130,957,406,895.77
  5. Step 5: Solve for x
    x = 130,957,406,895.77/405,889.58
  6. Step 6: Final answer
    x = 322,642.94

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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.