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Finding the Fourth Proportional to 328,535.55, 453,378.16 and 183,339.78

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Solution

The fourth proportional to 328,535.55, 453,378.16 and 183,339.78 is: 253,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,535.55 : 453,378.16 = 183,339.78 : x
  2. Step 2: Convert to fraction form
    328,535.55/453,378.16 = 183,339.78/x
  3. Step 3: Cross multiply
    328,535.55x = 453,378.16 × 183,339.78
  4. Step 4: Simplify right side
    328,535.55x = 83,122,250,640.21
  5. Step 5: Solve for x
    x = 83,122,250,640.21/328,535.55
  6. Step 6: Final answer
    x = 253,008.39

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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.