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Finding the Fourth Proportional to 360,871.34, 497,946.96 and 207,879.65

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Solution

The fourth proportional to 360,871.34, 497,946.96 and 207,879.65 is: 286,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,871.34 : 497,946.96 = 207,879.65 : x
  2. Step 2: Convert to fraction form
    360,871.34/497,946.96 = 207,879.65/x
  3. Step 3: Cross multiply
    360,871.34x = 497,946.96 × 207,879.65
  4. Step 4: Simplify right side
    360,871.34x = 103,513,037,273.63
  5. Step 5: Solve for x
    x = 103,513,037,273.63/360,871.34
  6. Step 6: Final answer
    x = 286,841.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.