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Finding the Fourth Proportional to 398,552.10, 596,953.35 and 346,064.10

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Solution

The fourth proportional to 398,552.10, 596,953.35 and 346,064.10 is: 518,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,552.10 : 596,953.35 = 346,064.10 : x
  2. Step 2: Convert to fraction form
    398,552.10/596,953.35 = 346,064.10/x
  3. Step 3: Cross multiply
    398,552.10x = 596,953.35 × 346,064.10
  4. Step 4: Simplify right side
    398,552.10x = 206,584,123,809.74
  5. Step 5: Solve for x
    x = 206,584,123,809.74/398,552.10
  6. Step 6: Final answer
    x = 518,336.56

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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.