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Finding the Fourth Proportional to 588,637.80, 882,956.70 and 289,310.40

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Solution

The fourth proportional to 588,637.80, 882,956.70 and 289,310.40 is: 433,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,637.80 : 882,956.70 = 289,310.40 : x
  2. Step 2: Convert to fraction form
    588,637.80/882,956.70 = 289,310.40/x
  3. Step 3: Cross multiply
    588,637.80x = 882,956.70 × 289,310.40
  4. Step 4: Simplify right side
    588,637.80x = 255,448,556,059.68
  5. Step 5: Solve for x
    x = 255,448,556,059.68/588,637.80
  6. Step 6: Final answer
    x = 433,965.60

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Double scale
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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.