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Finding the Fourth Proportional to 615,576.14, 849,848.45 and 469,233.03

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Solution

The fourth proportional to 615,576.14, 849,848.45 and 469,233.03 is: 647,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,576.14 : 849,848.45 = 469,233.03 : x
  2. Step 2: Convert to fraction form
    615,576.14/849,848.45 = 469,233.03/x
  3. Step 3: Cross multiply
    615,576.14x = 849,848.45 × 469,233.03
  4. Step 4: Simplify right side
    615,576.14x = 398,776,960,888.14
  5. Step 5: Solve for x
    x = 398,776,960,888.14/615,576.14
  6. Step 6: Final answer
    x = 647,810.95

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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.