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Finding the Fourth Proportional to 405,597.77, 559,555.79 and 233,474.55

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Solution

The fourth proportional to 405,597.77, 559,555.79 and 233,474.55 is: 322,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,597.77 : 559,555.79 = 233,474.55 : x
  2. Step 2: Convert to fraction form
    405,597.77/559,555.79 = 233,474.55/x
  3. Step 3: Cross multiply
    405,597.77x = 559,555.79 × 233,474.55
  4. Step 4: Simplify right side
    405,597.77x = 130,642,035,102.77
  5. Step 5: Solve for x
    x = 130,642,035,102.77/405,597.77
  6. Step 6: Final answer
    x = 322,097.52

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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.