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Finding the Fourth Proportional to 313,404.59, 432,507.20 and 184,352.46

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Solution

The fourth proportional to 313,404.59, 432,507.20 and 184,352.46 is: 254,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,404.59 : 432,507.20 = 184,352.46 : x
  2. Step 2: Convert to fraction form
    313,404.59/432,507.20 = 184,352.46/x
  3. Step 3: Cross multiply
    313,404.59x = 432,507.20 × 184,352.46
  4. Step 4: Simplify right side
    313,404.59x = 79,733,763,744.05
  5. Step 5: Solve for x
    x = 79,733,763,744.05/313,404.59
  6. Step 6: Final answer
    x = 254,411.60

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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.