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Finding the Fourth Proportional to 524,398.46, 786,597.72 and 209,076.80

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Solution

The fourth proportional to 524,398.46, 786,597.72 and 209,076.80 is: 313,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,398.46 : 786,597.72 = 209,076.80 : x
  2. Step 2: Convert to fraction form
    524,398.46/786,597.72 = 209,076.80/x
  3. Step 3: Cross multiply
    524,398.46x = 786,597.72 × 209,076.80
  4. Step 4: Simplify right side
    524,398.46x = 164,459,329,467.87
  5. Step 5: Solve for x
    x = 164,459,329,467.87/524,398.46
  6. Step 6: Final answer
    x = 313,615.21

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Similar ratio
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1.5x scale

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.