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Finding the Fourth Proportional to 572,245.40, 860,441.70 and 559,803.80

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Solution

The fourth proportional to 572,245.40, 860,441.70 and 559,803.80 is: 841,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,245.40 : 860,441.70 = 559,803.80 : x
  2. Step 2: Convert to fraction form
    572,245.40/860,441.70 = 559,803.80/x
  3. Step 3: Cross multiply
    572,245.40x = 860,441.70 × 559,803.80
  4. Step 4: Simplify right side
    572,245.40x = 481,678,533,338.46
  5. Step 5: Solve for x
    x = 481,678,533,338.46/572,245.40
  6. Step 6: Final answer
    x = 841,734.22

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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.