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Finding the Fourth Proportional to 577,661.60, 866,492.40 and 297,725.60

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Solution

The fourth proportional to 577,661.60, 866,492.40 and 297,725.60 is: 446,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,661.60 : 866,492.40 = 297,725.60 : x
  2. Step 2: Convert to fraction form
    577,661.60/866,492.40 = 297,725.60/x
  3. Step 3: Cross multiply
    577,661.60x = 866,492.40 × 297,725.60
  4. Step 4: Simplify right side
    577,661.60x = 257,976,969,685.44
  5. Step 5: Solve for x
    x = 257,976,969,685.44/577,661.60
  6. Step 6: Final answer
    x = 446,588.40

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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.