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Finding the Fourth Proportional to 482,775.60, 723,385.80 and 403,460.40

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Solution

The fourth proportional to 482,775.60, 723,385.80 and 403,460.40 is: 604,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,775.60 : 723,385.80 = 403,460.40 : x
  2. Step 2: Convert to fraction form
    482,775.60/723,385.80 = 403,460.40/x
  3. Step 3: Cross multiply
    482,775.60x = 723,385.80 × 403,460.40
  4. Step 4: Simplify right side
    482,775.60x = 291,857,524,222.32
  5. Step 5: Solve for x
    x = 291,857,524,222.32/482,775.60
  6. Step 6: Final answer
    x = 604,540.75

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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.