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Finding the Fourth Proportional to 577,353.40, 866,030.10 and 262,425.40

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Solution

The fourth proportional to 577,353.40, 866,030.10 and 262,425.40 is: 393,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,353.40 : 866,030.10 = 262,425.40 : x
  2. Step 2: Convert to fraction form
    577,353.40/866,030.10 = 262,425.40/x
  3. Step 3: Cross multiply
    577,353.40x = 866,030.10 × 262,425.40
  4. Step 4: Simplify right side
    577,353.40x = 227,268,295,404.54
  5. Step 5: Solve for x
    x = 227,268,295,404.54/577,353.40
  6. Step 6: Final answer
    x = 393,638.10

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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.