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Finding the Fourth Proportional to 367,045.40, 512,813.80 and 367,045.40

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Solution

The fourth proportional to 367,045.40, 512,813.80 and 367,045.40 is: 512,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,045.40 : 512,813.80 = 367,045.40 : x
  2. Step 2: Convert to fraction form
    367,045.40/512,813.80 = 367,045.40/x
  3. Step 3: Cross multiply
    367,045.40x = 512,813.80 × 367,045.40
  4. Step 4: Simplify right side
    367,045.40x = 188,225,946,346.52
  5. Step 5: Solve for x
    x = 188,225,946,346.52/367,045.40
  6. Step 6: Final answer
    x = 512,813.80

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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.