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Finding the Fourth Proportional to 436,392.93, 653,189.28 and 233,481.45

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Solution

The fourth proportional to 436,392.93, 653,189.28 and 233,481.45 is: 349,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,392.93 : 653,189.28 = 233,481.45 : x
  2. Step 2: Convert to fraction form
    436,392.93/653,189.28 = 233,481.45/x
  3. Step 3: Cross multiply
    436,392.93x = 653,189.28 × 233,481.45
  4. Step 4: Simplify right side
    436,392.93x = 152,507,583,106.09
  5. Step 5: Solve for x
    x = 152,507,583,106.09/436,392.93
  6. Step 6: Final answer
    x = 349,473.08

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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.