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Finding the Fourth Proportional to 298,316.65, 411,674.20 and 162,350.77

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Solution

The fourth proportional to 298,316.65, 411,674.20 and 162,350.77 is: 224,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,316.65 : 411,674.20 = 162,350.77 : x
  2. Step 2: Convert to fraction form
    298,316.65/411,674.20 = 162,350.77/x
  3. Step 3: Cross multiply
    298,316.65x = 411,674.20 × 162,350.77
  4. Step 4: Simplify right side
    298,316.65x = 66,835,623,359.13
  5. Step 5: Solve for x
    x = 66,835,623,359.13/298,316.65
  6. Step 6: Final answer
    x = 224,042.55

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1.5x scale

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.