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Finding the Fourth Proportional to 482,005.70, 723,008.55 and 304,858.70

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Solution

The fourth proportional to 482,005.70, 723,008.55 and 304,858.70 is: 457,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,005.70 : 723,008.55 = 304,858.70 : x
  2. Step 2: Convert to fraction form
    482,005.70/723,008.55 = 304,858.70/x
  3. Step 3: Cross multiply
    482,005.70x = 723,008.55 × 304,858.70
  4. Step 4: Simplify right side
    482,005.70x = 220,415,446,641.89
  5. Step 5: Solve for x
    x = 220,415,446,641.89/482,005.70
  6. Step 6: Final answer
    x = 457,288.05

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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.