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Finding the Fourth Proportional to 405,596.70, 608,740.65 and 181,302.30

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Solution

The fourth proportional to 405,596.70, 608,740.65 and 181,302.30 is: 272,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,596.70 : 608,740.65 = 181,302.30 : x
  2. Step 2: Convert to fraction form
    405,596.70/608,740.65 = 181,302.30/x
  3. Step 3: Cross multiply
    405,596.70x = 608,740.65 × 181,302.30
  4. Step 4: Simplify right side
    405,596.70x = 110,366,079,948.50
  5. Step 5: Solve for x
    x = 110,366,079,948.50/405,596.70
  6. Step 6: Final answer
    x = 272,107.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.