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Finding the Fourth Proportional to 328,307.59, 453,064.47 and 177,404.59

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Solution

The fourth proportional to 328,307.59, 453,064.47 and 177,404.59 is: 244,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,307.59 : 453,064.47 = 177,404.59 : x
  2. Step 2: Convert to fraction form
    328,307.59/453,064.47 = 177,404.59/x
  3. Step 3: Cross multiply
    328,307.59x = 453,064.47 × 177,404.59
  4. Step 4: Simplify right side
    328,307.59x = 80,375,716,543.92
  5. Step 5: Solve for x
    x = 80,375,716,543.92/328,307.59
  6. Step 6: Final answer
    x = 244,818.33

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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.