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Finding the Fourth Proportional to 451,750.16, 676,905.46 and 238,509.46

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Solution

The fourth proportional to 451,750.16, 676,905.46 and 238,509.46 is: 357,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,750.16 : 676,905.46 = 238,509.46 : x
  2. Step 2: Convert to fraction form
    451,750.16/676,905.46 = 238,509.46/x
  3. Step 3: Cross multiply
    451,750.16x = 676,905.46 × 238,509.46
  4. Step 4: Simplify right side
    451,750.16x = 161,448,355,985.51
  5. Step 5: Solve for x
    x = 161,448,355,985.51/451,750.16
  6. Step 6: Final answer
    x = 357,384.17

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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.