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Finding the Fourth Proportional to 328,841.02, 453,779.17 and 185,581.59

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Solution

The fourth proportional to 328,841.02, 453,779.17 and 185,581.59 is: 256,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,841.02 : 453,779.17 = 185,581.59 : x
  2. Step 2: Convert to fraction form
    328,841.02/453,779.17 = 185,581.59/x
  3. Step 3: Cross multiply
    328,841.02x = 453,779.17 × 185,581.59
  4. Step 4: Simplify right side
    328,841.02x = 84,213,059,877.48
  5. Step 5: Solve for x
    x = 84,213,059,877.48/328,841.02
  6. Step 6: Final answer
    x = 256,090.50

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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.