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Finding the Fourth Proportional to 544,013.84, 750,834.79 and 314,534.68

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Solution

The fourth proportional to 544,013.84, 750,834.79 and 314,534.68 is: 434,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,013.84 : 750,834.79 = 314,534.68 : x
  2. Step 2: Convert to fraction form
    544,013.84/750,834.79 = 314,534.68/x
  3. Step 3: Cross multiply
    544,013.84x = 750,834.79 × 314,534.68
  4. Step 4: Simplify right side
    544,013.84x = 236,163,577,742.09
  5. Step 5: Solve for x
    x = 236,163,577,742.09/544,013.84
  6. Step 6: Final answer
    x = 434,113.18

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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.