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Finding the Fourth Proportional to 600,814.78, 829,123.19 and 328,882.75

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Solution

The fourth proportional to 600,814.78, 829,123.19 and 328,882.75 is: 453,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,814.78 : 829,123.19 = 328,882.75 : x
  2. Step 2: Convert to fraction form
    600,814.78/829,123.19 = 328,882.75/x
  3. Step 3: Cross multiply
    600,814.78x = 829,123.19 × 328,882.75
  4. Step 4: Simplify right side
    600,814.78x = 272,684,312,332.06
  5. Step 5: Solve for x
    x = 272,684,312,332.06/600,814.78
  6. Step 6: Final answer
    x = 453,857.53

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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.