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Finding the Fourth Proportional to 445,953.16, 669,117.15 and 277,614.30

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Solution

The fourth proportional to 445,953.16, 669,117.15 and 277,614.30 is: 416,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,953.16 : 669,117.15 = 277,614.30 : x
  2. Step 2: Convert to fraction form
    445,953.16/669,117.15 = 277,614.30/x
  3. Step 3: Cross multiply
    445,953.16x = 669,117.15 × 277,614.30
  4. Step 4: Simplify right side
    445,953.16x = 185,756,489,215.25
  5. Step 5: Solve for x
    x = 185,756,489,215.25/445,953.16
  6. Step 6: Final answer
    x = 416,538.12

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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.