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Finding the Fourth Proportional to 524,309.45, 786,461.72 and 164,506.64

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Solution

The fourth proportional to 524,309.45, 786,461.72 and 164,506.64 is: 246,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,309.45 : 786,461.72 = 164,506.64 : x
  2. Step 2: Convert to fraction form
    524,309.45/786,461.72 = 164,506.64/x
  3. Step 3: Cross multiply
    524,309.45x = 786,461.72 × 164,506.64
  4. Step 4: Simplify right side
    524,309.45x = 129,378,175,045.82
  5. Step 5: Solve for x
    x = 129,378,175,045.82/524,309.45
  6. Step 6: Final answer
    x = 246,759.19

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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.