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Finding the Fourth Proportional to 264,811.38, 365,492.81 and 157,360.65

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Solution

The fourth proportional to 264,811.38, 365,492.81 and 157,360.65 is: 217,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,811.38 : 365,492.81 = 157,360.65 : x
  2. Step 2: Convert to fraction form
    264,811.38/365,492.81 = 157,360.65/x
  3. Step 3: Cross multiply
    264,811.38x = 365,492.81 × 157,360.65
  4. Step 4: Simplify right side
    264,811.38x = 57,514,185,317.53
  5. Step 5: Solve for x
    x = 57,514,185,317.53/264,811.38
  6. Step 6: Final answer
    x = 217,189.25

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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.