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Finding the Fourth Proportional to 328,450.59, 453,261.93 and 177,547.59

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Solution

The fourth proportional to 328,450.59, 453,261.93 and 177,547.59 is: 245,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,450.59 : 453,261.93 = 177,547.59 : x
  2. Step 2: Convert to fraction form
    328,450.59/453,261.93 = 177,547.59/x
  3. Step 3: Cross multiply
    328,450.59x = 453,261.93 × 177,547.59
  4. Step 4: Simplify right side
    328,450.59x = 80,475,563,310.25
  5. Step 5: Solve for x
    x = 80,475,563,310.25/328,450.59
  6. Step 6: Final answer
    x = 245,015.74

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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.