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Finding the Fourth Proportional to 359,126.50, 495,581.81 and 195,779.63

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Solution

The fourth proportional to 359,126.50, 495,581.81 and 195,779.63 is: 270,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,126.50 : 495,581.81 = 195,779.63 : x
  2. Step 2: Convert to fraction form
    359,126.50/495,581.81 = 195,779.63/x
  3. Step 3: Cross multiply
    359,126.50x = 495,581.81 × 195,779.63
  4. Step 4: Simplify right side
    359,126.50x = 97,024,819,939.72
  5. Step 5: Solve for x
    x = 97,024,819,939.72/359,126.50
  6. Step 6: Final answer
    x = 270,168.93

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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.