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Finding the Fourth Proportional to 328,735.71, 453,650.86 and 183,543.72

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Solution

The fourth proportional to 328,735.71, 453,650.86 and 183,543.72 is: 253,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,735.71 : 453,650.86 = 183,543.72 : x
  2. Step 2: Convert to fraction form
    328,735.71/453,650.86 = 183,543.72/x
  3. Step 3: Cross multiply
    328,735.71x = 453,650.86 × 183,543.72
  4. Step 4: Simplify right side
    328,735.71x = 83,264,764,953.84
  5. Step 5: Solve for x
    x = 83,264,764,953.84/328,735.71
  6. Step 6: Final answer
    x = 253,287.86

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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.