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Finding the Fourth Proportional to 529,948.40, 795,262.80 and 293,460.80

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Solution

The fourth proportional to 529,948.40, 795,262.80 and 293,460.80 is: 440,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,948.40 : 795,262.80 = 293,460.80 : x
  2. Step 2: Convert to fraction form
    529,948.40/795,262.80 = 293,460.80/x
  3. Step 3: Cross multiply
    529,948.40x = 795,262.80 × 293,460.80
  4. Step 4: Simplify right side
    529,948.40x = 233,378,457,498.24
  5. Step 5: Solve for x
    x = 233,378,457,498.24/529,948.40
  6. Step 6: Final answer
    x = 440,379.59

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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.