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Finding the Fourth Proportional to 600,332.20, 828,478.90 and 342,247.31

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Solution

The fourth proportional to 600,332.20, 828,478.90 and 342,247.31 is: 472,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,332.20 : 828,478.90 = 342,247.31 : x
  2. Step 2: Convert to fraction form
    600,332.20/828,478.90 = 342,247.31/x
  3. Step 3: Cross multiply
    600,332.20x = 828,478.90 × 342,247.31
  4. Step 4: Simplify right side
    600,332.20x = 283,544,674,916.76
  5. Step 5: Solve for x
    x = 283,544,674,916.76/600,332.20
  6. Step 6: Final answer
    x = 472,312.95

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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.