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Finding the Fourth Proportional to 344,973.84, 516,886.60 and 120,210.40

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Solution

The fourth proportional to 344,973.84, 516,886.60 and 120,210.40 is: 180,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,973.84 : 516,886.60 = 120,210.40 : x
  2. Step 2: Convert to fraction form
    344,973.84/516,886.60 = 120,210.40/x
  3. Step 3: Cross multiply
    344,973.84x = 516,886.60 × 120,210.40
  4. Step 4: Simplify right side
    344,973.84x = 62,135,144,940.64
  5. Step 5: Solve for x
    x = 62,135,144,940.64/344,973.84
  6. Step 6: Final answer
    x = 180,115.53

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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.