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Finding the Fourth Proportional to 452,459.33, 678,688.35 and 115,500.11

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Solution

The fourth proportional to 452,459.33, 678,688.35 and 115,500.11 is: 173,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,459.33 : 678,688.35 = 115,500.11 : x
  2. Step 2: Convert to fraction form
    452,459.33/678,688.35 = 115,500.11/x
  3. Step 3: Cross multiply
    452,459.33x = 678,688.35 × 115,500.11
  4. Step 4: Simplify right side
    452,459.33x = 78,388,579,080.72
  5. Step 5: Solve for x
    x = 78,388,579,080.72/452,459.33
  6. Step 6: Final answer
    x = 173,250.00

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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.