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Finding the Fourth Proportional to 590,804.70, 885,040.65 and 353,442.30

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Solution

The fourth proportional to 590,804.70, 885,040.65 and 353,442.30 is: 529,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,804.70 : 885,040.65 = 353,442.30 : x
  2. Step 2: Convert to fraction form
    590,804.70/885,040.65 = 353,442.30/x
  3. Step 3: Cross multiply
    590,804.70x = 885,040.65 × 353,442.30
  4. Step 4: Simplify right side
    590,804.70x = 312,810,802,929.50
  5. Step 5: Solve for x
    x = 312,810,802,929.50/590,804.70
  6. Step 6: Final answer
    x = 529,465.66

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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.