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Finding the Fourth Proportional to 346,867.20, 520,300.80 and 97,516.80

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Solution

The fourth proportional to 346,867.20, 520,300.80 and 97,516.80 is: 146,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,867.20 : 520,300.80 = 97,516.80 : x
  2. Step 2: Convert to fraction form
    346,867.20/520,300.80 = 97,516.80/x
  3. Step 3: Cross multiply
    346,867.20x = 520,300.80 × 97,516.80
  4. Step 4: Simplify right side
    346,867.20x = 50,738,069,053.44
  5. Step 5: Solve for x
    x = 50,738,069,053.44/346,867.20
  6. Step 6: Final answer
    x = 146,275.20

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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.