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Finding the Fourth Proportional to 482,955.60, 724,530.60 and 404,612.40

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Solution

The fourth proportional to 482,955.60, 724,530.60 and 404,612.40 is: 607,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,955.60 : 724,530.60 = 404,612.40 : x
  2. Step 2: Convert to fraction form
    482,955.60/724,530.60 = 404,612.40/x
  3. Step 3: Cross multiply
    482,955.60x = 724,530.60 × 404,612.40
  4. Step 4: Simplify right side
    482,955.60x = 293,154,064,939.44
  5. Step 5: Solve for x
    x = 293,154,064,939.44/482,955.60
  6. Step 6: Final answer
    x = 607,000.03

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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.