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Finding the Fourth Proportional to 328,533.93, 453,376.83 and 177,630.93

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Solution

The fourth proportional to 328,533.93, 453,376.83 and 177,630.93 is: 245,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,533.93 : 453,376.83 = 177,630.93 : x
  2. Step 2: Convert to fraction form
    328,533.93/453,376.83 = 177,630.93/x
  3. Step 3: Cross multiply
    328,533.93x = 453,376.83 × 177,630.93
  4. Step 4: Simplify right side
    328,533.93x = 80,533,747,953.35
  5. Step 5: Solve for x
    x = 80,533,747,953.35/328,533.93
  6. Step 6: Final answer
    x = 245,130.69

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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.