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Finding the Fourth Proportional to 482,962.40, 723,752.40 and 355,608.80

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Solution

The fourth proportional to 482,962.40, 723,752.40 and 355,608.80 is: 532,904.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,962.40 : 723,752.40 = 355,608.80 : x
  2. Step 2: Convert to fraction form
    482,962.40/723,752.40 = 355,608.80/x
  3. Step 3: Cross multiply
    482,962.40x = 723,752.40 × 355,608.80
  4. Step 4: Simplify right side
    482,962.40x = 257,372,722,461.12
  5. Step 5: Solve for x
    x = 257,372,722,461.12/482,962.40
  6. Step 6: Final answer
    x = 532,904.26

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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.