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Finding the Fourth Proportional to 355,527.20, 533,096.40 and 144,927.20

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Solution

The fourth proportional to 355,527.20, 533,096.40 and 144,927.20 is: 217,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,527.20 : 533,096.40 = 144,927.20 : x
  2. Step 2: Convert to fraction form
    355,527.20/533,096.40 = 144,927.20/x
  3. Step 3: Cross multiply
    355,527.20x = 533,096.40 × 144,927.20
  4. Step 4: Simplify right side
    355,527.20x = 77,260,168,582.08
  5. Step 5: Solve for x
    x = 77,260,168,582.08/355,527.20
  6. Step 6: Final answer
    x = 217,311.55

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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.