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Finding the Fourth Proportional to 493,686.40, 740,097.60 and 335,401.60

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Solution

The fourth proportional to 493,686.40, 740,097.60 and 335,401.60 is: 502,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,686.40 : 740,097.60 = 335,401.60 : x
  2. Step 2: Convert to fraction form
    493,686.40/740,097.60 = 335,401.60/x
  3. Step 3: Cross multiply
    493,686.40x = 740,097.60 × 335,401.60
  4. Step 4: Simplify right side
    493,686.40x = 248,229,919,196.16
  5. Step 5: Solve for x
    x = 248,229,919,196.16/493,686.40
  6. Step 6: Final answer
    x = 502,808.91

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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.