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Finding the Fourth Proportional to 328,577.82, 453,437.88 and 177,674.82

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Solution

The fourth proportional to 328,577.82, 453,437.88 and 177,674.82 is: 245,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,577.82 : 453,437.88 = 177,674.82 : x
  2. Step 2: Convert to fraction form
    328,577.82/453,437.88 = 177,674.82/x
  3. Step 3: Cross multiply
    328,577.82x = 453,437.88 × 177,674.82
  4. Step 4: Simplify right side
    328,577.82x = 80,564,493,710.18
  5. Step 5: Solve for x
    x = 80,564,493,710.18/328,577.82
  6. Step 6: Final answer
    x = 245,191.52

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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.