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Finding the Fourth Proportional to 328,897.89, 453,879.06 and 177,994.89

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Solution

The fourth proportional to 328,897.89, 453,879.06 and 177,994.89 is: 245,632.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,897.89 : 453,879.06 = 177,994.89 : x
  2. Step 2: Convert to fraction form
    328,897.89/453,879.06 = 177,994.89/x
  3. Step 3: Cross multiply
    328,897.89x = 453,879.06 × 177,994.89
  4. Step 4: Simplify right side
    328,897.89x = 80,788,153,358.00
  5. Step 5: Solve for x
    x = 80,788,153,358.00/328,897.89
  6. Step 6: Final answer
    x = 245,632.93

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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.