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Finding the Fourth Proportional to 367,005.40, 512,757.80 and 367,005.40

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Solution

The fourth proportional to 367,005.40, 512,757.80 and 367,005.40 is: 512,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,005.40 : 512,757.80 = 367,005.40 : x
  2. Step 2: Convert to fraction form
    367,005.40/512,757.80 = 367,005.40/x
  3. Step 3: Cross multiply
    367,005.40x = 512,757.80 × 367,005.40
  4. Step 4: Simplify right side
    367,005.40x = 188,184,881,492.12
  5. Step 5: Solve for x
    x = 188,184,881,492.12/367,005.40
  6. Step 6: Final answer
    x = 512,757.80

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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.