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Finding the Fourth Proportional to 359,880.01, 540,146.48 and 191,542.07

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Solution

The fourth proportional to 359,880.01, 540,146.48 and 191,542.07 is: 287,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,880.01 : 540,146.48 = 191,542.07 : x
  2. Step 2: Convert to fraction form
    359,880.01/540,146.48 = 191,542.07/x
  3. Step 3: Cross multiply
    359,880.01x = 540,146.48 × 191,542.07
  4. Step 4: Simplify right side
    359,880.01x = 103,460,772,236.75
  5. Step 5: Solve for x
    x = 103,460,772,236.75/359,880.01
  6. Step 6: Final answer
    x = 287,486.85

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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.