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Finding the Fourth Proportional to 261,700.40, 367,210 and 261,700.40

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Solution

The fourth proportional to 261,700.40, 367,210 and 261,700.40 is: 367,210

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,700.40 : 367,210 = 261,700.40 : x
  2. Step 2: Convert to fraction form
    261,700.40/367,210 = 261,700.40/x
  3. Step 3: Cross multiply
    261,700.40x = 367,210 × 261,700.40
  4. Step 4: Simplify right side
    261,700.40x = 96,099,003,884
  5. Step 5: Solve for x
    x = 96,099,003,884/261,700.40
  6. Step 6: Final answer
    x = 367,210

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.