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Finding the Fourth Proportional to 484,454.70, 726,682.05 and 360,038.70

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Solution

The fourth proportional to 484,454.70, 726,682.05 and 360,038.70 is: 540,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,454.70 : 726,682.05 = 360,038.70 : x
  2. Step 2: Convert to fraction form
    484,454.70/726,682.05 = 360,038.70/x
  3. Step 3: Cross multiply
    484,454.70x = 726,682.05 × 360,038.70
  4. Step 4: Simplify right side
    484,454.70x = 261,633,660,595.34
  5. Step 5: Solve for x
    x = 261,633,660,595.34/484,454.70
  6. Step 6: Final answer
    x = 540,058.05

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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.