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Finding the Fourth Proportional to 405,347.83, 559,435.59 and 233,262.28

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Solution

The fourth proportional to 405,347.83, 559,435.59 and 233,262.28 is: 321,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,347.83 : 559,435.59 = 233,262.28 : x
  2. Step 2: Convert to fraction form
    405,347.83/559,435.59 = 233,262.28/x
  3. Step 3: Cross multiply
    405,347.83x = 559,435.59 × 233,262.28
  4. Step 4: Simplify right side
    405,347.83x = 130,495,221,236.55
  5. Step 5: Solve for x
    x = 130,495,221,236.55/405,347.83
  6. Step 6: Final answer
    x = 321,933.93

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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.