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Finding the Fourth Proportional to 288,045.90, 432,068.85 and 267,050.70

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Solution

The fourth proportional to 288,045.90, 432,068.85 and 267,050.70 is: 400,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,045.90 : 432,068.85 = 267,050.70 : x
  2. Step 2: Convert to fraction form
    288,045.90/432,068.85 = 267,050.70/x
  3. Step 3: Cross multiply
    288,045.90x = 432,068.85 × 267,050.70
  4. Step 4: Simplify right side
    288,045.90x = 115,384,288,840.70
  5. Step 5: Solve for x
    x = 115,384,288,840.70/288,045.90
  6. Step 6: Final answer
    x = 400,576.05

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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.