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Finding the Fourth Proportional to 572,898.70, 859,348.05 and 572,898.70

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Solution

The fourth proportional to 572,898.70, 859,348.05 and 572,898.70 is: 859,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,898.70 : 859,348.05 = 572,898.70 : x
  2. Step 2: Convert to fraction form
    572,898.70/859,348.05 = 572,898.70/x
  3. Step 3: Cross multiply
    572,898.70x = 859,348.05 × 572,898.70
  4. Step 4: Simplify right side
    572,898.70x = 492,319,380,692.54
  5. Step 5: Solve for x
    x = 492,319,380,692.54/572,898.70
  6. Step 6: Final answer
    x = 859,348.05

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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.