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Finding the Fourth Proportional to 488,713.80, 733,070.70 and 370,615.80

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Solution

The fourth proportional to 488,713.80, 733,070.70 and 370,615.80 is: 555,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,713.80 : 733,070.70 = 370,615.80 : x
  2. Step 2: Convert to fraction form
    488,713.80/733,070.70 = 370,615.80/x
  3. Step 3: Cross multiply
    488,713.80x = 733,070.70 × 370,615.80
  4. Step 4: Simplify right side
    488,713.80x = 271,687,583,937.06
  5. Step 5: Solve for x
    x = 271,687,583,937.06/488,713.80
  6. Step 6: Final answer
    x = 555,923.70

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Similar ratio
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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.