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Finding the Fourth Proportional to 600,438.06, 828,468.88 and 358,673.31

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Solution

The fourth proportional to 600,438.06, 828,468.88 and 358,673.31 is: 494,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,438.06 : 828,468.88 = 358,673.31 : x
  2. Step 2: Convert to fraction form
    600,438.06/828,468.88 = 358,673.31/x
  3. Step 3: Cross multiply
    600,438.06x = 828,468.88 × 358,673.31
  4. Step 4: Simplify right side
    600,438.06x = 297,149,674,524.91
  5. Step 5: Solve for x
    x = 297,149,674,524.91/600,438.06
  6. Step 6: Final answer
    x = 494,888.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.