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Finding the Fourth Proportional to 298,516.77, 411,947.22 and 162,552.34

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Solution

The fourth proportional to 298,516.77, 411,947.22 and 162,552.34 is: 224,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,516.77 : 411,947.22 = 162,552.34 : x
  2. Step 2: Convert to fraction form
    298,516.77/411,947.22 = 162,552.34/x
  3. Step 3: Cross multiply
    298,516.77x = 411,947.22 × 162,552.34
  4. Step 4: Simplify right side
    298,516.77x = 66,962,984,567.49
  5. Step 5: Solve for x
    x = 66,962,984,567.49/298,516.77
  6. Step 6: Final answer
    x = 224,319.00

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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.