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Finding the Fourth Proportional to 326,590.56, 450,680.52 and 183,347.76

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Solution

The fourth proportional to 326,590.56, 450,680.52 and 183,347.76 is: 253,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,590.56 : 450,680.52 = 183,347.76 : x
  2. Step 2: Convert to fraction form
    326,590.56/450,680.52 = 183,347.76/x
  3. Step 3: Cross multiply
    326,590.56x = 450,680.52 × 183,347.76
  4. Step 4: Simplify right side
    326,590.56x = 82,631,263,817.64
  5. Step 5: Solve for x
    x = 82,631,263,817.64/326,590.56
  6. Step 6: Final answer
    x = 253,011.80

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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.