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Finding the Fourth Proportional to 572,235.90, 860,427.45 and 559,794.30

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Solution

The fourth proportional to 572,235.90, 860,427.45 and 559,794.30 is: 841,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,235.90 : 860,427.45 = 559,794.30 : x
  2. Step 2: Convert to fraction form
    572,235.90/860,427.45 = 559,794.30/x
  3. Step 3: Cross multiply
    572,235.90x = 860,427.45 × 559,794.30
  4. Step 4: Simplify right side
    572,235.90x = 481,662,382,073.54
  5. Step 5: Solve for x
    x = 481,662,382,073.54/572,235.90
  6. Step 6: Final answer
    x = 841,719.97

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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.