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Finding the Fourth Proportional to 600,781.42, 829,079.60 and 328,866.69

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Solution

The fourth proportional to 600,781.42, 829,079.60 and 328,866.69 is: 453,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,781.42 : 829,079.60 = 328,866.69 : x
  2. Step 2: Convert to fraction form
    600,781.42/829,079.60 = 328,866.69/x
  3. Step 3: Cross multiply
    600,781.42x = 829,079.60 × 328,866.69
  4. Step 4: Simplify right side
    600,781.42x = 272,656,663,798.52
  5. Step 5: Solve for x
    x = 272,656,663,798.52/600,781.42
  6. Step 6: Final answer
    x = 453,836.71

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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.