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Finding the Fourth Proportional to 531,048.00, 732,842.18 and 289,329.82

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Solution

The fourth proportional to 531,048.00, 732,842.18 and 289,329.82 is: 399,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,048.00 : 732,842.18 = 289,329.82 : x
  2. Step 2: Convert to fraction form
    531,048.00/732,842.18 = 289,329.82/x
  3. Step 3: Cross multiply
    531,048.00x = 732,842.18 × 289,329.82
  4. Step 4: Simplify right side
    531,048.00x = 212,033,094,581.16
  5. Step 5: Solve for x
    x = 212,033,094,581.16/531,048.00
  6. Step 6: Final answer
    x = 399,272.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.