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Finding the Fourth Proportional to 488,536.20, 731,492.10 and 488,536.20

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Solution

The fourth proportional to 488,536.20, 731,492.10 and 488,536.20 is: 731,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,536.20 : 731,492.10 = 488,536.20 : x
  2. Step 2: Convert to fraction form
    488,536.20/731,492.10 = 488,536.20/x
  3. Step 3: Cross multiply
    488,536.20x = 731,492.10 × 488,536.20
  4. Step 4: Simplify right side
    488,536.20x = 357,360,370,864.02
  5. Step 5: Solve for x
    x = 357,360,370,864.02/488,536.20
  6. Step 6: Final answer
    x = 731,492.10

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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.