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Finding the Fourth Proportional to 359,063.30, 537,558.15 and 219,095.30

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Solution

The fourth proportional to 359,063.30, 537,558.15 and 219,095.30 is: 328,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,063.30 : 537,558.15 = 219,095.30 : x
  2. Step 2: Convert to fraction form
    359,063.30/537,558.15 = 219,095.30/x
  3. Step 3: Cross multiply
    359,063.30x = 537,558.15 × 219,095.30
  4. Step 4: Simplify right side
    359,063.30x = 117,776,464,141.70
  5. Step 5: Solve for x
    x = 117,776,464,141.70/359,063.30
  6. Step 6: Final answer
    x = 328,010.31

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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.