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Finding the Fourth Proportional to 328,677.60, 453,575.07 and 177,774.60

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Solution

The fourth proportional to 328,677.60, 453,575.07 and 177,774.60 is: 245,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,677.60 : 453,575.07 = 177,774.60 : x
  2. Step 2: Convert to fraction form
    328,677.60/453,575.07 = 177,774.60/x
  3. Step 3: Cross multiply
    328,677.60x = 453,575.07 × 177,774.60
  4. Step 4: Simplify right side
    328,677.60x = 80,634,126,639.22
  5. Step 5: Solve for x
    x = 80,634,126,639.22/328,677.60
  6. Step 6: Final answer
    x = 245,328.94

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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.