Home / 349,055.10-523,582.65-260,481.60

Finding the Fourth Proportional to 349,055.10, 523,582.65 and 260,481.60

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Solution

The fourth proportional to 349,055.10, 523,582.65 and 260,481.60 is: 390,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,055.10 : 523,582.65 = 260,481.60 : x
  2. Step 2: Convert to fraction form
    349,055.10/523,582.65 = 260,481.60/x
  3. Step 3: Cross multiply
    349,055.10x = 523,582.65 × 260,481.60
  4. Step 4: Simplify right side
    349,055.10x = 136,383,646,404.24
  5. Step 5: Solve for x
    x = 136,383,646,404.24/349,055.10
  6. Step 6: Final answer
    x = 390,722.40

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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.