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Finding the Fourth Proportional to 359,566.80, 539,501.40 and 193,160.40

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Solution

The fourth proportional to 359,566.80, 539,501.40 and 193,160.40 is: 289,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,566.80 : 539,501.40 = 193,160.40 : x
  2. Step 2: Convert to fraction form
    359,566.80/539,501.40 = 193,160.40/x
  3. Step 3: Cross multiply
    359,566.80x = 539,501.40 × 193,160.40
  4. Step 4: Simplify right side
    359,566.80x = 104,210,306,224.56
  5. Step 5: Solve for x
    x = 104,210,306,224.56/359,566.80
  6. Step 6: Final answer
    x = 289,821.83

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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.