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Finding the Fourth Proportional to 358,467.30, 537,992.55 and 346,803.30

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Solution

The fourth proportional to 358,467.30, 537,992.55 and 346,803.30 is: 520,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,467.30 : 537,992.55 = 346,803.30 : x
  2. Step 2: Convert to fraction form
    358,467.30/537,992.55 = 346,803.30/x
  3. Step 3: Cross multiply
    358,467.30x = 537,992.55 × 346,803.30
  4. Step 4: Simplify right side
    358,467.30x = 186,577,591,715.42
  5. Step 5: Solve for x
    x = 186,577,591,715.42/358,467.30
  6. Step 6: Final answer
    x = 520,487.06

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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.