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Finding the Fourth Proportional to 615,510, 923,384.70 and 236,403

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Solution

The fourth proportional to 615,510, 923,384.70 and 236,403 is: 354,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,510 : 923,384.70 = 236,403 : x
  2. Step 2: Convert to fraction form
    615,510/923,384.70 = 236,403/x
  3. Step 3: Cross multiply
    615,510x = 923,384.70 × 236,403
  4. Step 4: Simplify right side
    615,510x = 218,290,913,234.10
  5. Step 5: Solve for x
    x = 218,290,913,234.10/615,510
  6. Step 6: Final answer
    x = 354,650.47

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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.