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Finding the Fourth Proportional to 328,783.92, 453,720.04 and 185,590.52

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Solution

The fourth proportional to 328,783.92, 453,720.04 and 185,590.52 is: 256,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,783.92 : 453,720.04 = 185,590.52 : x
  2. Step 2: Convert to fraction form
    328,783.92/453,720.04 = 185,590.52/x
  3. Step 3: Cross multiply
    328,783.92x = 453,720.04 × 185,590.52
  4. Step 4: Simplify right side
    328,783.92x = 84,206,138,158.02
  5. Step 5: Solve for x
    x = 84,206,138,158.02/328,783.92
  6. Step 6: Final answer
    x = 256,113.92

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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.