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Finding the Fourth Proportional to 313,404.93, 432,499.37 and 170,164.53

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Solution

The fourth proportional to 313,404.93, 432,499.37 and 170,164.53 is: 234,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,404.93 : 432,499.37 = 170,164.53 : x
  2. Step 2: Convert to fraction form
    313,404.93/432,499.37 = 170,164.53/x
  3. Step 3: Cross multiply
    313,404.93x = 432,499.37 × 170,164.53
  4. Step 4: Simplify right side
    313,404.93x = 73,596,051,170.52
  5. Step 5: Solve for x
    x = 73,596,051,170.52/313,404.93
  6. Step 6: Final answer
    x = 234,827.36

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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.