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Finding the Fourth Proportional to 410,266.90, 615,400.35 and 401,050.90

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Solution

The fourth proportional to 410,266.90, 615,400.35 and 401,050.90 is: 601,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,266.90 : 615,400.35 = 401,050.90 : x
  2. Step 2: Convert to fraction form
    410,266.90/615,400.35 = 401,050.90/x
  3. Step 3: Cross multiply
    410,266.90x = 615,400.35 × 401,050.90
  4. Step 4: Simplify right side
    410,266.90x = 246,806,864,227.82
  5. Step 5: Solve for x
    x = 246,806,864,227.82/410,266.90
  6. Step 6: Final answer
    x = 601,576.35

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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.