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Finding the Fourth Proportional to 804,880.42, 1,110,492.76 and 482,472.88

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Solution

The fourth proportional to 804,880.42, 1,110,492.76 and 482,472.88 is: 665,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,880.42 : 1,110,492.76 = 482,472.88 : x
  2. Step 2: Convert to fraction form
    804,880.42/1,110,492.76 = 482,472.88/x
  3. Step 3: Cross multiply
    804,880.42x = 1,110,492.76 × 482,472.88
  4. Step 4: Simplify right side
    804,880.42x = 535,782,640,136.35
  5. Step 5: Solve for x
    x = 535,782,640,136.35/804,880.42
  6. Step 6: Final answer
    x = 665,667.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.