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Finding the Fourth Proportional to 296,955.63, 445,098.78 and 147,303.18

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Solution

The fourth proportional to 296,955.63, 445,098.78 and 147,303.18 is: 220,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,955.63 : 445,098.78 = 147,303.18 : x
  2. Step 2: Convert to fraction form
    296,955.63/445,098.78 = 147,303.18/x
  3. Step 3: Cross multiply
    296,955.63x = 445,098.78 × 147,303.18
  4. Step 4: Simplify right side
    296,955.63x = 65,564,465,708.12
  5. Step 5: Solve for x
    x = 65,564,465,708.12/296,955.63
  6. Step 6: Final answer
    x = 220,788.76

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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.