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Finding the Fourth Proportional to 370,364.60, 555,417.30 and 192,812.60

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Solution

The fourth proportional to 370,364.60, 555,417.30 and 192,812.60 is: 289,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,364.60 : 555,417.30 = 192,812.60 : x
  2. Step 2: Convert to fraction form
    370,364.60/555,417.30 = 192,812.60/x
  3. Step 3: Cross multiply
    370,364.60x = 555,417.30 × 192,812.60
  4. Step 4: Simplify right side
    370,364.60x = 107,091,453,697.98
  5. Step 5: Solve for x
    x = 107,091,453,697.98/370,364.60
  6. Step 6: Final answer
    x = 289,151.43

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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.