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Finding the Fourth Proportional to 261,730.40, 367,252 and 261,730.40

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Solution

The fourth proportional to 261,730.40, 367,252 and 261,730.40 is: 367,252

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,730.40 : 367,252 = 261,730.40 : x
  2. Step 2: Convert to fraction form
    261,730.40/367,252 = 261,730.40/x
  3. Step 3: Cross multiply
    261,730.40x = 367,252 × 261,730.40
  4. Step 4: Simplify right side
    261,730.40x = 96,121,012,860.80
  5. Step 5: Solve for x
    x = 96,121,012,860.80/261,730.40
  6. Step 6: Final answer
    x = 367,252

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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.