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Finding the Fourth Proportional to 296,874.76, 445,312.52 and 72,235.23

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Solution

The fourth proportional to 296,874.76, 445,312.52 and 72,235.23 is: 108,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,874.76 : 445,312.52 = 72,235.23 : x
  2. Step 2: Convert to fraction form
    296,874.76/445,312.52 = 72,235.23/x
  3. Step 3: Cross multiply
    296,874.76x = 445,312.52 × 72,235.23
  4. Step 4: Simplify right side
    296,874.76x = 32,167,252,304.08
  5. Step 5: Solve for x
    x = 32,167,252,304.08/296,874.76
  6. Step 6: Final answer
    x = 108,352.94

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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.