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Finding the Fourth Proportional to 572,561.70, 802,692.30 and 572,561.70

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Solution

The fourth proportional to 572,561.70, 802,692.30 and 572,561.70 is: 802,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,561.70 : 802,692.30 = 572,561.70 : x
  2. Step 2: Convert to fraction form
    572,561.70/802,692.30 = 572,561.70/x
  3. Step 3: Cross multiply
    572,561.70x = 802,692.30 × 572,561.70
  4. Step 4: Simplify right side
    572,561.70x = 459,590,867,864.91
  5. Step 5: Solve for x
    x = 459,590,867,864.91/572,561.70
  6. Step 6: Final answer
    x = 802,692.30

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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.