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Finding the Fourth Proportional to 359,273.56, 539,264.88 and 190,793.40

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Solution

The fourth proportional to 359,273.56, 539,264.88 and 190,793.40 is: 286,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,273.56 : 539,264.88 = 190,793.40 : x
  2. Step 2: Convert to fraction form
    359,273.56/539,264.88 = 190,793.40/x
  3. Step 3: Cross multiply
    359,273.56x = 539,264.88 × 190,793.40
  4. Step 4: Simplify right side
    359,273.56x = 102,888,179,955.79
  5. Step 5: Solve for x
    x = 102,888,179,955.79/359,273.56
  6. Step 6: Final answer
    x = 286,378.38

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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.