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Finding the Fourth Proportional to 484,459.70, 726,689.55 and 360,043.70

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Solution

The fourth proportional to 484,459.70, 726,689.55 and 360,043.70 is: 540,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,459.70 : 726,689.55 = 360,043.70 : x
  2. Step 2: Convert to fraction form
    484,459.70/726,689.55 = 360,043.70/x
  3. Step 3: Cross multiply
    484,459.70x = 726,689.55 × 360,043.70
  4. Step 4: Simplify right side
    484,459.70x = 261,639,994,333.34
  5. Step 5: Solve for x
    x = 261,639,994,333.34/484,459.70
  6. Step 6: Final answer
    x = 540,065.55

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Similar ratio
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1.5x scale

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.