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Finding the Fourth Proportional to 507,079.92, 759,498.66 and 346,775.97

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Solution

The fourth proportional to 507,079.92, 759,498.66 and 346,775.97 is: 519,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,079.92 : 759,498.66 = 346,775.97 : x
  2. Step 2: Convert to fraction form
    507,079.92/759,498.66 = 346,775.97/x
  3. Step 3: Cross multiply
    507,079.92x = 759,498.66 × 346,775.97
  4. Step 4: Simplify right side
    507,079.92x = 263,375,884,535.20
  5. Step 5: Solve for x
    x = 263,375,884,535.20/507,079.92
  6. Step 6: Final answer
    x = 519,397.19

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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.