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Finding the Fourth Proportional to 594,330.40, 889,920.96 and 313,257.16

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Solution

The fourth proportional to 594,330.40, 889,920.96 and 313,257.16 is: 469,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,330.40 : 889,920.96 = 313,257.16 : x
  2. Step 2: Convert to fraction form
    594,330.40/889,920.96 = 313,257.16/x
  3. Step 3: Cross multiply
    594,330.40x = 889,920.96 × 313,257.16
  4. Step 4: Simplify right side
    594,330.40x = 278,774,112,554.07
  5. Step 5: Solve for x
    x = 278,774,112,554.07/594,330.40
  6. Step 6: Final answer
    x = 469,055.79

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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.