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Finding the Fourth Proportional to 342,056.39, 510,579.54 and 301,656.02

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Solution

The fourth proportional to 342,056.39, 510,579.54 and 301,656.02 is: 450,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,056.39 : 510,579.54 = 301,656.02 : x
  2. Step 2: Convert to fraction form
    342,056.39/510,579.54 = 301,656.02/x
  3. Step 3: Cross multiply
    342,056.39x = 510,579.54 × 301,656.02
  4. Step 4: Simplify right side
    342,056.39x = 154,019,389,376.93
  5. Step 5: Solve for x
    x = 154,019,389,376.93/342,056.39
  6. Step 6: Final answer
    x = 450,274.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.