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Finding the Fourth Proportional to 364,586.80, 546,880.20 and 127,953.40

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Solution

The fourth proportional to 364,586.80, 546,880.20 and 127,953.40 is: 191,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,586.80 : 546,880.20 = 127,953.40 : x
  2. Step 2: Convert to fraction form
    364,586.80/546,880.20 = 127,953.40/x
  3. Step 3: Cross multiply
    364,586.80x = 546,880.20 × 127,953.40
  4. Step 4: Simplify right side
    364,586.80x = 69,975,180,982.68
  5. Step 5: Solve for x
    x = 69,975,180,982.68/364,586.80
  6. Step 6: Final answer
    x = 191,930.10

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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.