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Finding the Fourth Proportional to 484,046.40, 678,364.80 and 484,046.40

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Solution

The fourth proportional to 484,046.40, 678,364.80 and 484,046.40 is: 678,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,046.40 : 678,364.80 = 484,046.40 : x
  2. Step 2: Convert to fraction form
    484,046.40/678,364.80 = 484,046.40/x
  3. Step 3: Cross multiply
    484,046.40x = 678,364.80 × 484,046.40
  4. Step 4: Simplify right side
    484,046.40x = 328,360,039,326.72
  5. Step 5: Solve for x
    x = 328,360,039,326.72/484,046.40
  6. Step 6: Final answer
    x = 678,364.80

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.