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Finding the Fourth Proportional to 352,892.34, 529,282.89 and 293,303.46

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Solution

The fourth proportional to 352,892.34, 529,282.89 and 293,303.46 is: 439,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,892.34 : 529,282.89 = 293,303.46 : x
  2. Step 2: Convert to fraction form
    352,892.34/529,282.89 = 293,303.46/x
  3. Step 3: Cross multiply
    352,892.34x = 529,282.89 × 293,303.46
  4. Step 4: Simplify right side
    352,892.34x = 155,240,502,955.80
  5. Step 5: Solve for x
    x = 155,240,502,955.80/352,892.34
  6. Step 6: Final answer
    x = 439,908.96

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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.