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Finding the Fourth Proportional to 882,539.54, 1,323,640 and 342,795.22

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Solution

The fourth proportional to 882,539.54, 1,323,640 and 342,795.22 is: 514,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,539.54 : 1,323,640 = 342,795.22 : x
  2. Step 2: Convert to fraction form
    882,539.54/1,323,640 = 342,795.22/x
  3. Step 3: Cross multiply
    882,539.54x = 1,323,640 × 342,795.22
  4. Step 4: Simplify right side
    882,539.54x = 453,737,465,000.80
  5. Step 5: Solve for x
    x = 453,737,465,000.80/882,539.54
  6. Step 6: Final answer
    x = 514,127.07

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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.