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Finding the Fourth Proportional to 488,492.20, 732,738.30 and 446,501.80

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Solution

The fourth proportional to 488,492.20, 732,738.30 and 446,501.80 is: 669,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,492.20 : 732,738.30 = 446,501.80 : x
  2. Step 2: Convert to fraction form
    488,492.20/732,738.30 = 446,501.80/x
  3. Step 3: Cross multiply
    488,492.20x = 732,738.30 × 446,501.80
  4. Step 4: Simplify right side
    488,492.20x = 327,168,969,878.94
  5. Step 5: Solve for x
    x = 327,168,969,878.94/488,492.20
  6. Step 6: Final answer
    x = 669,752.70

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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.