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Finding the Fourth Proportional to 359,511.50, 539,267.34 and 110,193.50

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Solution

The fourth proportional to 359,511.50, 539,267.34 and 110,193.50 is: 165,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,511.50 : 539,267.34 = 110,193.50 : x
  2. Step 2: Convert to fraction form
    359,511.50/539,267.34 = 110,193.50/x
  3. Step 3: Cross multiply
    359,511.50x = 539,267.34 × 110,193.50
  4. Step 4: Simplify right side
    359,511.50x = 59,423,755,630.29
  5. Step 5: Solve for x
    x = 59,423,755,630.29/359,511.50
  6. Step 6: Final answer
    x = 165,290.28

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1.5x scale

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.