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Finding the Fourth Proportional to 579,426.80, 868,103.40 and 473,673.20

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Solution

The fourth proportional to 579,426.80, 868,103.40 and 473,673.20 is: 709,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,426.80 : 868,103.40 = 473,673.20 : x
  2. Step 2: Convert to fraction form
    579,426.80/868,103.40 = 473,673.20/x
  3. Step 3: Cross multiply
    579,426.80x = 868,103.40 × 473,673.20
  4. Step 4: Simplify right side
    579,426.80x = 411,197,315,408.88
  5. Step 5: Solve for x
    x = 411,197,315,408.88/579,426.80
  6. Step 6: Final answer
    x = 709,662.23

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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.