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Finding the Fourth Proportional to 352,064.70, 528,097.05 and 293,744.70

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Solution

The fourth proportional to 352,064.70, 528,097.05 and 293,744.70 is: 440,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,064.70 : 528,097.05 = 293,744.70 : x
  2. Step 2: Convert to fraction form
    352,064.70/528,097.05 = 293,744.70/x
  3. Step 3: Cross multiply
    352,064.70x = 528,097.05 × 293,744.70
  4. Step 4: Simplify right side
    352,064.70x = 155,125,709,523.14
  5. Step 5: Solve for x
    x = 155,125,709,523.14/352,064.70
  6. Step 6: Final answer
    x = 440,617.05

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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.