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Finding the Fourth Proportional to 355,779.49, 532,814.10 and 203,514.93

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Solution

The fourth proportional to 355,779.49, 532,814.10 and 203,514.93 is: 304,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,779.49 : 532,814.10 = 203,514.93 : x
  2. Step 2: Convert to fraction form
    355,779.49/532,814.10 = 203,514.93/x
  3. Step 3: Cross multiply
    355,779.49x = 532,814.10 × 203,514.93
  4. Step 4: Simplify right side
    355,779.49x = 108,435,624,646.10
  5. Step 5: Solve for x
    x = 108,435,624,646.10/355,779.49
  6. Step 6: Final answer
    x = 304,783.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.