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Finding the Fourth Proportional to 334,465.20, 501,697.80 and 192,747.60

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Solution

The fourth proportional to 334,465.20, 501,697.80 and 192,747.60 is: 289,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,465.20 : 501,697.80 = 192,747.60 : x
  2. Step 2: Convert to fraction form
    334,465.20/501,697.80 = 192,747.60/x
  3. Step 3: Cross multiply
    334,465.20x = 501,697.80 × 192,747.60
  4. Step 4: Simplify right side
    334,465.20x = 96,701,046,875.28
  5. Step 5: Solve for x
    x = 96,701,046,875.28/334,465.20
  6. Step 6: Final answer
    x = 289,121.40

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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.