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Finding the Fourth Proportional to 579,446.80, 868,133.40 and 473,693.20

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Solution

The fourth proportional to 579,446.80, 868,133.40 and 473,693.20 is: 709,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,446.80 : 868,133.40 = 473,693.20 : x
  2. Step 2: Convert to fraction form
    579,446.80/868,133.40 = 473,693.20/x
  3. Step 3: Cross multiply
    579,446.80x = 868,133.40 × 473,693.20
  4. Step 4: Simplify right side
    579,446.80x = 411,228,888,272.88
  5. Step 5: Solve for x
    x = 411,228,888,272.88/579,446.80
  6. Step 6: Final answer
    x = 709,692.22

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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.