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Finding the Fourth Proportional to 482,995.10, 724,492.65 and 404,846.30

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Solution

The fourth proportional to 482,995.10, 724,492.65 and 404,846.30 is: 607,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,995.10 : 724,492.65 = 404,846.30 : x
  2. Step 2: Convert to fraction form
    482,995.10/724,492.65 = 404,846.30/x
  3. Step 3: Cross multiply
    482,995.10x = 724,492.65 × 404,846.30
  4. Step 4: Simplify right side
    482,995.10x = 293,308,168,729.70
  5. Step 5: Solve for x
    x = 293,308,168,729.70/482,995.10
  6. Step 6: Final answer
    x = 607,269.45

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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.