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Finding the Fourth Proportional to 449,706.24, 669,547.20 and 443,426.88

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Solution

The fourth proportional to 449,706.24, 669,547.20 and 443,426.88 is: 660,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,706.24 : 669,547.20 = 443,426.88 : x
  2. Step 2: Convert to fraction form
    449,706.24/669,547.20 = 443,426.88/x
  3. Step 3: Cross multiply
    449,706.24x = 669,547.20 × 443,426.88
  4. Step 4: Simplify right side
    449,706.24x = 296,895,225,908.74
  5. Step 5: Solve for x
    x = 296,895,225,908.74/449,706.24
  6. Step 6: Final answer
    x = 660,198.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.