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Finding the Fourth Proportional to 452,474.10, 678,905.55 and 230,858.10

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Solution

The fourth proportional to 452,474.10, 678,905.55 and 230,858.10 is: 346,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,474.10 : 678,905.55 = 230,858.10 : x
  2. Step 2: Convert to fraction form
    452,474.10/678,905.55 = 230,858.10/x
  3. Step 3: Cross multiply
    452,474.10x = 678,905.55 × 230,858.10
  4. Step 4: Simplify right side
    452,474.10x = 156,730,845,352.46
  5. Step 5: Solve for x
    x = 156,730,845,352.46/452,474.10
  6. Step 6: Final answer
    x = 346,386.34

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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.