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Finding the Fourth Proportional to 346,006.98, 477,463.68 and 225,379.35

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Solution

The fourth proportional to 346,006.98, 477,463.68 and 225,379.35 is: 311,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,006.98 : 477,463.68 = 225,379.35 : x
  2. Step 2: Convert to fraction form
    346,006.98/477,463.68 = 225,379.35/x
  3. Step 3: Cross multiply
    346,006.98x = 477,463.68 × 225,379.35
  4. Step 4: Simplify right side
    346,006.98x = 107,610,453,847.01
  5. Step 5: Solve for x
    x = 107,610,453,847.01/346,006.98
  6. Step 6: Final answer
    x = 311,006.60

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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.