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Finding the Fourth Proportional to 480,325.74, 720,487.71 and 451,096.50

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Solution

The fourth proportional to 480,325.74, 720,487.71 and 451,096.50 is: 676,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,325.74 : 720,487.71 = 451,096.50 : x
  2. Step 2: Convert to fraction form
    480,325.74/720,487.71 = 451,096.50/x
  3. Step 3: Cross multiply
    480,325.74x = 720,487.71 × 451,096.50
  4. Step 4: Simplify right side
    480,325.74x = 325,009,484,274.02
  5. Step 5: Solve for x
    x = 325,009,484,274.02/480,325.74
  6. Step 6: Final answer
    x = 676,643.90

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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.