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Finding the Fourth Proportional to 591,685.80, 887,528.70 and 410,602.20

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Solution

The fourth proportional to 591,685.80, 887,528.70 and 410,602.20 is: 615,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,685.80 : 887,528.70 = 410,602.20 : x
  2. Step 2: Convert to fraction form
    591,685.80/887,528.70 = 410,602.20/x
  3. Step 3: Cross multiply
    591,685.80x = 887,528.70 × 410,602.20
  4. Step 4: Simplify right side
    591,685.80x = 364,421,236,783.14
  5. Step 5: Solve for x
    x = 364,421,236,783.14/591,685.80
  6. Step 6: Final answer
    x = 615,903.30

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Double scale
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Similar ratio
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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.