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Finding the Fourth Proportional to 507,113.70, 760,790.52 and 165,555.30

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Solution

The fourth proportional to 507,113.70, 760,790.52 and 165,555.30 is: 248,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,113.70 : 760,790.52 = 165,555.30 : x
  2. Step 2: Convert to fraction form
    507,113.70/760,790.52 = 165,555.30/x
  3. Step 3: Cross multiply
    507,113.70x = 760,790.52 × 165,555.30
  4. Step 4: Simplify right side
    507,113.70x = 125,952,902,775.76
  5. Step 5: Solve for x
    x = 125,952,902,775.76/507,113.70
  6. Step 6: Final answer
    x = 248,372.12

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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.