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Finding the Fourth Proportional to 347,576.84, 479,572.98 and 211,609.16

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Solution

The fourth proportional to 347,576.84, 479,572.98 and 211,609.16 is: 291,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,576.84 : 479,572.98 = 211,609.16 : x
  2. Step 2: Convert to fraction form
    347,576.84/479,572.98 = 211,609.16/x
  3. Step 3: Cross multiply
    347,576.84x = 479,572.98 × 211,609.16
  4. Step 4: Simplify right side
    347,576.84x = 101,482,035,456.50
  5. Step 5: Solve for x
    x = 101,482,035,456.50/347,576.84
  6. Step 6: Final answer
    x = 291,970.07

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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.