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Finding the Fourth Proportional to 581,347.33, 802,268.64 and 319,712.97

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Solution

The fourth proportional to 581,347.33, 802,268.64 and 319,712.97 is: 441,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,347.33 : 802,268.64 = 319,712.97 : x
  2. Step 2: Convert to fraction form
    581,347.33/802,268.64 = 319,712.97/x
  3. Step 3: Cross multiply
    581,347.33x = 802,268.64 × 319,712.97
  4. Step 4: Simplify right side
    581,347.33x = 256,495,688,033.70
  5. Step 5: Solve for x
    x = 256,495,688,033.70/581,347.33
  6. Step 6: Final answer
    x = 441,209.03

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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.